diff --git a/time/datasource/CaseSource.ts b/time/datasource/CaseSource.ts
index 491d16fd64..75e099c6a8 100644
--- a/time/datasource/CaseSource.ts
+++ b/time/datasource/CaseSource.ts
@@ -5,11 +5,12 @@ import { RR0SsgContext } from "../../RR0SsgContext"
  */
 export interface CaseSource<S> {
   /**
-   * @param author The datasource author to mention as a source.
-   * @param copyright The datasource name/copyright to mention as a source.
-   * @protected
+   * @member {string[]} authors The datasource authors to mention as a source.
+   */
+  readonly authors: string[]
+  /**
+   * @member {string} authors The datasource name to mention as a source.
    */
-  readonly author: string
   readonly copyright: string
 
   /**
diff --git a/time/datasource/ChronologyReplacer.ts b/time/datasource/ChronologyReplacer.ts
index 7144d37405..85ab50edf4 100644
--- a/time/datasource/ChronologyReplacer.ts
+++ b/time/datasource/ChronologyReplacer.ts
@@ -39,8 +39,10 @@ export class ChronologyReplacer implements DomReplacement<HtmlRR0SsgContext, HTM
         if (this.save) {
           const csvContents = new CsvMapper().reduce(context, sourceCases, fetchTime)
           const specialChars = /[ -?!&*#.:;=°',]/g
+          const authorsStr = datasource.authors.map(
+            author => StringUtil.removeAccents(author).replace(specialChars, "")).join("-")
           const fileName = path.join(path.dirname(context.inputFile.name),
-            StringUtil.removeAccents(datasource.author).replace(specialChars, "") + "_"
+            authorsStr + "_"
             + StringUtil.removeAccents(datasource.copyright).replace(specialChars, "") + ".csv")
           fs.writeFileSync(fileName, csvContents, {encoding: "utf-8"})
         }
diff --git a/time/datasource/DatasourceTestCase.ts b/time/datasource/DatasourceTestCase.ts
index aa89610eea..a6c7a60c9a 100644
--- a/time/datasource/DatasourceTestCase.ts
+++ b/time/datasource/DatasourceTestCase.ts
@@ -36,7 +36,8 @@ export class DatasourceTestCase<S> {
     if (sources?.length > 0) {
       const source = sources[0]
       const publicationStr = source.publication ? `, ${source.publication.time}` : ""
-      const sourceStr = ` <span class="source">${datasource.author}: <a href="${nativeCase.url.href.replaceAll(
+      const authorStr = datasource.authors.join(", ")
+      const sourceStr = ` <span class="source">${authorStr}: <a href="${nativeCase.url.href.replaceAll(
         "&",
         "&amp;")}">cas n°&nbsp;${caseNumber}</a>, <i>${datasource.copyright}</i>${publicationStr}</span>`
       expect(item.innerHTML).toBe(
diff --git a/time/datasource/acufo/AcufoDatasource.ts b/time/datasource/acufo/AcufoDatasource.ts
index c2090dd56c..15942cc3d3 100644
--- a/time/datasource/acufo/AcufoDatasource.ts
+++ b/time/datasource/acufo/AcufoDatasource.ts
@@ -15,7 +15,7 @@ interface QueryParameters {
 }
 
 export class AcufoDatasource extends HttpSource implements CaseSource<AcufoCase> {
-  readonly author = "Gross, Patrick"
+  readonly authors = ["Gross, Patrick"]
   readonly copyright = "ACUFO/ALSACAT (Les ovnis vus de près)"
 
   constructor(readonly baseUrl = "https://ufologie.patrickgross.org", readonly searchPath = "alsacat") {
diff --git a/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryMapper.ts b/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryMapper.ts
index 947e8a20c4..717534b92d 100644
--- a/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryMapper.ts
+++ b/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryMapper.ts
@@ -11,7 +11,7 @@ import { BaseOvniFranceCase } from "./BaseOvniFranceCase"
 export class BaseOvniFranceCaseSummaryMapper implements CaseMapper<RR0SsgContext, BaseOvniFranceCase, BaseOvniFranceCaseSummary> {
 
   constructor(
-    readonly baseUrl: string, readonly copyright: string, readonly author: string
+    readonly baseUrl: string, readonly copyright: string, readonly authors: string
   ) {
   }
 
diff --git a/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.test.ts b/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.test.ts
index 6e84e4e4d0..68e6ea179a 100644
--- a/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.test.ts
+++ b/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.test.ts
@@ -13,7 +13,7 @@ import { chambonSurVoueize23 } from "../../../org/eu/fr/region/naq/23/chambon/Ch
 
 function expectedSource(datasource: BaseOvniFranceHttpDatasource, dataDate: Date, caseNumber: number) {
   const url = new URL(datasource.searchPath + "?typlist=20&page=0&numobs=" + caseNumber, datasource.baseUrl)
-  return new OnlineSource(url, "cas n° " + caseNumber, [datasource.author],
+  return new OnlineSource(url, "cas n° " + caseNumber, datasource.authors,
     {publisher: datasource.copyright, time: dataDate.toLocaleString()})
 }
 
diff --git a/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.ts b/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.ts
index d54554bf65..b46f1e1896 100644
--- a/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.ts
+++ b/time/datasource/baseovnifrance/BaseOvniFranceCaseSummaryRR0Mapper.ts
@@ -14,12 +14,12 @@ export class BaseOvniFranceCaseSummaryRR0Mapper implements CaseMapper<HtmlRR0Ssg
 
   constructor(
     protected depService: DepartmentService, protected cityService: CityService,
-    readonly baseUrl: string, readonly copyright: string, readonly author: string
+    readonly baseUrl: string, readonly copyright: string, readonly authors: string[]
   ) {
   }
 
   map(context: HtmlRR0SsgContext, sourceCase: BaseOvniFranceCaseSummary, sourceTime: Date): RR0CaseSummary {
-    const caseSource = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber, [this.author],
+    const caseSource = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber, this.authors,
       {publisher: this.copyright, time: sourceTime.toLocaleString()})
     const depCode = sourceCase.depCode
     const dep = this.depService.get(depCode, undefined)
diff --git a/time/datasource/baseovnifrance/BaseOvniFranceCsv.test.ts b/time/datasource/baseovnifrance/BaseOvniFranceCsv.test.ts
index 4ca9a4bdf0..28397ac7e0 100644
--- a/time/datasource/baseovnifrance/BaseOvniFranceCsv.test.ts
+++ b/time/datasource/baseovnifrance/BaseOvniFranceCsv.test.ts
@@ -49,7 +49,7 @@ ${case1.caseNumber},http://baseovnifrance.free.fr/listgen.php?typlist=20&page=0&
     const data = fs.readFileSync("time/1/9/7/7/03/05_03_24_1709676761.txt", {encoding: "latin1"})
     const csvMapper = new BaseOvniFranceCaseSummaryMapper(baseOvniFranceDatasource.baseUrl,
       baseOvniFranceDatasource.searchPath,
-      baseOvniFranceDatasource.author)
+      baseOvniFranceDatasource.authors)
     const cases = exportMapper.read(context, data)
       .map(csvCase => csvMapper.map(context, csvCase, dataDate))
       .sort(baseOvniFranceSortComparator)
diff --git a/time/datasource/baseovnifrance/BaseOvniFranceDatasource.ts b/time/datasource/baseovnifrance/BaseOvniFranceDatasource.ts
index 0a43d1f08d..d39fb18526 100644
--- a/time/datasource/baseovnifrance/BaseOvniFranceDatasource.ts
+++ b/time/datasource/baseovnifrance/BaseOvniFranceDatasource.ts
@@ -1,7 +1,10 @@
 import { BaseOvniFranceCaseSummary } from "./BaseOvniFranceCaseSummary"
 import { CaseSource } from "../CaseSource"
+import { RR0SsgContext } from "../../../RR0SsgContext"
 
 export abstract class BaseOvniFranceDatasource implements CaseSource<BaseOvniFranceCaseSummary> {
-  readonly author = "Chastan, Luc"
+  readonly authors = ["Chastan, Luc"]
   readonly copyright = "Base OVNI France"
+
+  abstract getAll(context: RR0SsgContext): Promise<BaseOvniFranceCaseSummary[]>
 }
diff --git a/time/datasource/baseovnifrance/BaseOvniFranceRR0Mapping.ts b/time/datasource/baseovnifrance/BaseOvniFranceRR0Mapping.ts
index 0f3426e452..7c26a17967 100644
--- a/time/datasource/baseovnifrance/BaseOvniFranceRR0Mapping.ts
+++ b/time/datasource/baseovnifrance/BaseOvniFranceRR0Mapping.ts
@@ -9,7 +9,7 @@ export const baseOvniFranceDatasource = new BaseOvniFranceHttpDatasource()
 
 export const baseOvniFranceRR0Mapper = new BaseOvniFranceCaseSummaryRR0Mapper(
   departmentService, cityService,
-  baseOvniFranceDatasource.baseUrl, baseOvniFranceDatasource.copyright, baseOvniFranceDatasource.author
+  baseOvniFranceDatasource.baseUrl, baseOvniFranceDatasource.copyright, baseOvniFranceDatasource.authors
 )
 
 export const baseOvniFranceRR0Mapping: RR0CaseMapping<BaseOvniFranceCaseSummary> = {
diff --git a/time/datasource/fufora/FuforaCaseSummaryRR0Mapper.ts b/time/datasource/fufora/FuforaCaseSummaryRR0Mapper.ts
index dcb5e7dc0e..e7da9ef295 100644
--- a/time/datasource/fufora/FuforaCaseSummaryRR0Mapper.ts
+++ b/time/datasource/fufora/FuforaCaseSummaryRR0Mapper.ts
@@ -13,12 +13,12 @@ export class FuforaCaseSummaryRR0Mapper implements CaseMapper<HtmlRR0SsgContext,
 
   constructor(
     protected cityService: CityService,
-    readonly baseUrl: string, readonly copyright: string, readonly author: string
+    readonly baseUrl: string, readonly copyright: string, readonly authors: string[]
   ) {
   }
 
   map(context: HtmlRR0SsgContext, sourceCase: FuforaCaseSummary, sourceTime: Date): RR0CaseSummary {
-    const source = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber, [this.author],
+    const source = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber, this.authors,
       {publisher: this.copyright, time: sourceTime.toLocaleString()})
     const cityName = sourceCase.city || sourceCase.sightingPlace
     const city = this.cityService.find(context, cityName, undefined)
diff --git a/time/datasource/fufora/FuforaDatasource.ts b/time/datasource/fufora/FuforaDatasource.ts
index 261a1a813b..dbc285e01e 100644
--- a/time/datasource/fufora/FuforaDatasource.ts
+++ b/time/datasource/fufora/FuforaDatasource.ts
@@ -1,7 +1,10 @@
 import { FuforaCaseSummary } from "./FuforaCaseSummary"
 import { CaseSource } from "../CaseSource"
+import { RR0SsgContext } from "../../../RR0SsgContext"
 
 export abstract class FuforaDatasource implements CaseSource<FuforaCaseSummary> {
-  readonly author = "FUFORA"
+  readonly authors = ["FUFORA"]
   readonly copyright = "Base de données observationnelle"
+
+  abstract getAll(context: RR0SsgContext): Promise<FuforaCaseSummary[]>
 }
diff --git a/time/datasource/fufora/FuforaRR0Mapping.ts b/time/datasource/fufora/FuforaRR0Mapping.ts
index e7d8e95e1a..f287aad0d8 100644
--- a/time/datasource/fufora/FuforaRR0Mapping.ts
+++ b/time/datasource/fufora/FuforaRR0Mapping.ts
@@ -7,7 +7,7 @@ export const fuforaDatasource = new FuforaHttpDatasource()
 
 export const fuforaRR0Mapper = new FuforaCaseSummaryRR0Mapper(cityService, fuforaDatasource.baseUrl,
   fuforaDatasource.copyright,
-  fuforaDatasource.author)
+  fuforaDatasource.authors)
 
 export const fuforaRR0Mapping = {datasource: fuforaDatasource, mapper: fuforaRR0Mapper}
 
diff --git a/time/datasource/geipan/GeipanCaseSummaryMapper.ts b/time/datasource/geipan/GeipanCaseSummaryMapper.ts
index cd9fc9173a..d341fc3a1e 100644
--- a/time/datasource/geipan/GeipanCaseSummaryMapper.ts
+++ b/time/datasource/geipan/GeipanCaseSummaryMapper.ts
@@ -13,7 +13,7 @@ import { CountryCode } from "../../../org/country/CountryCode"
  */
 export class GeipanCaseSummaryMapper implements CaseMapper<RR0SsgContext, GeipanCase, GeipanCaseSummary> {
 
-  constructor(readonly baseUrl: string, readonly copyright: string, readonly author: string) {
+  constructor(readonly baseUrl: string, readonly copyright: string, readonly authors: string[]) {
   }
 
   map(context: RR0SsgContext, csvCase: GeipanCase, sourceTime: Date): GeipanCaseSummary {
diff --git a/time/datasource/geipan/GeipanCaseSummaryRR0Mapper.ts b/time/datasource/geipan/GeipanCaseSummaryRR0Mapper.ts
index dda766b8fc..aa09c2e7c3 100644
--- a/time/datasource/geipan/GeipanCaseSummaryRR0Mapper.ts
+++ b/time/datasource/geipan/GeipanCaseSummaryRR0Mapper.ts
@@ -17,7 +17,7 @@ export class GeipanCaseSummaryRR0Mapper implements CaseMapper<HtmlRR0SsgContext,
   constructor(
     protected cityService: CityService, protected departmentService: DepartmentService,
     protected regionService: RegionService,
-    readonly baseUrl: string, readonly copyright: string, readonly author: string
+    readonly baseUrl: string, readonly copyright: string, readonly authors: string[]
   ) {
   }
 
@@ -47,7 +47,7 @@ export class GeipanCaseSummaryRR0Mapper implements CaseMapper<HtmlRR0SsgContext,
 
   map(context: HtmlRR0SsgContext, sourceCase: GeipanCaseSummary, sourceTime: Date): RR0CaseSummary {
     const caseSource = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber,
-      [this.author],
+      this.authors,
       {publisher: this.copyright, time: sourceTime.toLocaleString()})
     const place = this.getPlace(context, sourceCase)
     return {
diff --git a/time/datasource/geipan/GeipanCsv.test.ts b/time/datasource/geipan/GeipanCsv.test.ts
index db8d816a08..067088bd68 100644
--- a/time/datasource/geipan/GeipanCsv.test.ts
+++ b/time/datasource/geipan/GeipanCsv.test.ts
@@ -47,7 +47,7 @@ describe("GEIPAN", () => {
     const exportMapper = new CsvMapper<GeipanCase>(";")
     const data = fs.readFileSync("time/datasource/geipan/export_cas_pub_20210219111412.csv", {encoding: "latin1"})
     const csvMapper = new GeipanCaseSummaryMapper(geipanHttpDatasource.baseUrl, geipanHttpDatasource.searchPath,
-      geipanHttpDatasource.author)
+      geipanHttpDatasource.authors)
     const cases = exportMapper.read(context, data).map(csvCase => csvMapper.map(context, csvCase, dataDate))
     expect(cases.length).toEqual(2768)
     const expected1 = geipanTestCaseSummaries[0]
diff --git a/time/datasource/geipan/GeipanDatasource.ts b/time/datasource/geipan/GeipanDatasource.ts
index b1e1a4e3b2..ea4da9abd9 100644
--- a/time/datasource/geipan/GeipanDatasource.ts
+++ b/time/datasource/geipan/GeipanDatasource.ts
@@ -1,4 +1,10 @@
-export abstract class GeipanDatasource {
-  readonly author = "GEIPAN"
+import { CaseSource } from "../CaseSource"
+import { GeipanCaseSummary } from "./GeipanCaseSummary"
+import { RR0SsgContext } from "../../../RR0SsgContext"
+
+export abstract class GeipanDatasource implements CaseSource<GeipanCaseSummary> {
+  readonly authors = ["GEIPAN"]
   readonly copyright = "Catalogue de cas"
+
+  abstract getAll(context: RR0SsgContext): Promise<GeipanCaseSummary[]>
 }
diff --git a/time/datasource/geipan/GeipanFileDatasource.ts b/time/datasource/geipan/GeipanFileDatasource.ts
index 9ca76961a2..e5add67276 100644
--- a/time/datasource/geipan/GeipanFileDatasource.ts
+++ b/time/datasource/geipan/GeipanFileDatasource.ts
@@ -36,7 +36,7 @@ export class GeipanFileDatasource extends GeipanDatasource implements CaseSource
     const exportMapper = new CsvMapper<GeipanCase>(";")
     const file = SsgFile.read(context, this.fileName, "latin1")
     const csvMapper = new GeipanCaseSummaryMapper(geipanHttpDatasource.baseUrl, geipanHttpDatasource.searchPath,
-      geipanHttpDatasource.author)
+      geipanHttpDatasource.authors)
     return exportMapper.read(context, file.contents).map(csvCase => csvMapper.map(context, csvCase, file.lastModified))
   }
 }
diff --git a/time/datasource/geipan/GeipanHttpDatasource.ts b/time/datasource/geipan/GeipanHttpDatasource.ts
index e16c94f014..2eabfc1dd4 100644
--- a/time/datasource/geipan/GeipanHttpDatasource.ts
+++ b/time/datasource/geipan/GeipanHttpDatasource.ts
@@ -6,7 +6,6 @@ import { GeipanCaseSummary } from "./GeipanCaseSummary"
 import { TimeContext } from "../../TimeContext"
 import { ObjectUtil } from "../../../util/ObjectUtil"
 import assert from "assert"
-import { CaseSource } from "../CaseSource"
 import {
   GeipanCaseClassification,
   GeipanCaseClassification_calc,
@@ -38,7 +37,7 @@ interface QueryParameters {
   field_agregation_index_value: string
 }
 
-export class GeipanHttpDatasource extends GeipanDatasource implements CaseSource<GeipanCaseSummary> {
+export class GeipanHttpDatasource extends GeipanDatasource {
   protected static readonly dateFormat = /(.+?)\s*\(([\d-AB]+)\)\s+(\d+)(?:.(\d+)(?:.(\d+))?)?/
   protected readonly http = new HttpSource()
 
diff --git a/time/datasource/geipan/GeipanRR0Mapping.ts b/time/datasource/geipan/GeipanRR0Mapping.ts
index 4dfdaebf9c..3e54f92949 100644
--- a/time/datasource/geipan/GeipanRR0Mapping.ts
+++ b/time/datasource/geipan/GeipanRR0Mapping.ts
@@ -4,13 +4,14 @@ import { GeipanCaseSummary } from "./GeipanCaseSummary"
 import { GeipanCaseSummaryRR0Mapper } from "./GeipanCaseSummaryRR0Mapper"
 import { departmentService } from "../../../org/country/region/department/DepartmentService"
 import { GeipanFileDatasource } from "./GeipanFileDatasource"
+import { regionService } from "../../../org/country/region/RegionService"
 
 export const geipanHttpDatasource = new GeipanHttpDatasource("https://geipan.fr", "fr/recherche/cas")
 export const geipanFileDatasource = new GeipanFileDatasource("time/datasource/geipan/export_cas_pub_20210219111412.csv")
 
 export const geipanRR0Mapper = new GeipanCaseSummaryRR0Mapper(
-  cityService, departmentService,
-  geipanHttpDatasource.baseUrl, geipanHttpDatasource.copyright, geipanHttpDatasource.author
+  cityService, departmentService, regionService,
+  geipanHttpDatasource.baseUrl, geipanHttpDatasource.copyright, geipanHttpDatasource.authors
 )
 
 export const geipanRR0Mapping = {datasource: geipanFileDatasource, mapper: geipanRR0Mapper}
diff --git a/time/datasource/nuforc/NuforcDatasource.ts b/time/datasource/nuforc/NuforcDatasource.ts
index 28f3681b75..e9b953e973 100644
--- a/time/datasource/nuforc/NuforcDatasource.ts
+++ b/time/datasource/nuforc/NuforcDatasource.ts
@@ -1,7 +1,10 @@
 import { NuforcCaseSummary } from "./NuforcCaseSummary"
 import { CaseSource } from "../CaseSource"
+import { RR0SsgContext } from "../../../RR0SsgContext"
 
-export abstract class NuforcHttpDatasource implements CaseSource<NuforcCaseSummary> {
-  readonly author = "NUFORC"
+export abstract class NuforcDatasource implements CaseSource<NuforcCaseSummary> {
+  readonly authors = ["NUFORC"]
   readonly copyright = "Online Database"
+
+  abstract getAll(context: RR0SsgContext): Promise<NuforcCaseSummary[]>
 }
diff --git a/time/datasource/nuforc/NuforcHttpDatasource.ts b/time/datasource/nuforc/NuforcHttpDatasource.ts
index 06e7be04c0..7ece35e0e6 100644
--- a/time/datasource/nuforc/NuforcHttpDatasource.ts
+++ b/time/datasource/nuforc/NuforcHttpDatasource.ts
@@ -9,6 +9,7 @@ import assert from "assert"
 import { TimeContext } from "../../TimeContext"
 import { NuforcCountry } from "./NuforcCountry"
 import { NuforcShape } from "./NuforcShape"
+import { NuforcDatasource } from "./NuforcDatasource"
 
 interface QueryParameters {
   id: string
diff --git a/time/datasource/nuforc/NuforcRR0Mapper.test.ts b/time/datasource/nuforc/NuforcRR0Mapper.test.ts
index 1ac40cc952..3fdff78a27 100644
--- a/time/datasource/nuforc/NuforcRR0Mapper.test.ts
+++ b/time/datasource/nuforc/NuforcRR0Mapper.test.ts
@@ -16,7 +16,7 @@ import { bonneyLake } from "../../../org/us/region/wa/pierce/bonneylake/BonneyLa
 
 function expectedSource(datasource: NuforcHttpDatasource, dataDate: Date, caseNumber: number) {
   const url = new URL("sighting/?id=" + caseNumber, datasource.baseUrl)
-  return new OnlineSource(url, "cas n° " + caseNumber, [datasource.author],
+  return new OnlineSource(url, "cas n° " + caseNumber, datasource.authors,
     {publisher: datasource.copyright, time: dataDate.toLocaleString()})
 }
 
diff --git a/time/datasource/nuforc/NuforcRR0Mapper.ts b/time/datasource/nuforc/NuforcRR0Mapper.ts
index 7f7356bf06..c6055a4088 100644
--- a/time/datasource/nuforc/NuforcRR0Mapper.ts
+++ b/time/datasource/nuforc/NuforcRR0Mapper.ts
@@ -3,7 +3,6 @@ import { NuforcCaseSummary } from "./NuforcCaseSummary"
 import { HtmlRR0SsgContext } from "../../../RR0SsgContext"
 import { OnlineSource } from "../../../source/OnlineSource"
 import { CityService } from "../../../org/country/region/department/city/CityService"
-import { NamedPlace, RR0CaseSummary } from "../../RR0CaseSummary"
 import assert from "assert"
 import { CountryService } from "../../../org/country/CountryService"
 import { australia } from "../../../org/au/Australia"
@@ -23,6 +22,7 @@ import { uk } from "../../../org/uk/Uk"
 import { colombia } from "../../../org/co/Colombia"
 import { NuforcShape } from "./NuforcShape"
 import { germany } from "../../../org/eu/de/Germany"
+import { NamedPlace, RR0CaseSummary } from "../rr0/RR0CaseSummary"
 
 export class NuforcRR0Mapper implements CaseMapper<HtmlRR0SsgContext, NuforcCaseSummary, RR0CaseSummary> {
 
@@ -52,8 +52,7 @@ export class NuforcRR0Mapper implements CaseMapper<HtmlRR0SsgContext, NuforcCase
 
   constructor(
     protected cityService: CityService, protected countryService: CountryService,
-    readonly baseUrl: string,
-    readonly copyright: string, readonly author: string
+    readonly baseUrl: string, readonly copyright: string, readonly authors: string[]
   ) {
   }
 
@@ -84,8 +83,7 @@ export class NuforcRR0Mapper implements CaseMapper<HtmlRR0SsgContext, NuforcCase
 
   map(context: HtmlRR0SsgContext, sourceCase: NuforcCaseSummary, sourceTime: Date): RR0CaseSummary {
     const caseSource = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber,
-      [this.author],
-      {publisher: this.copyright, time: sourceTime.toLocaleString()})
+      this.authors, {publisher: this.copyright, time: sourceTime.toLocaleString()})
     assert.ok(sourceCase.country, `NUFORC country code is ${sourceCase.country}`)
     const countryCode = NuforcRR0Mapper.countryMap[sourceCase.country]
     assert.ok(countryCode, `Could not find RR0 country to map from NUFORC code ${countryCode}`)
diff --git a/time/datasource/nuforc/NuforcRR0Mapping.ts b/time/datasource/nuforc/NuforcRR0Mapping.ts
index 323c4a6786..faa67afb45 100644
--- a/time/datasource/nuforc/NuforcRR0Mapping.ts
+++ b/time/datasource/nuforc/NuforcRR0Mapping.ts
@@ -6,8 +6,8 @@ import { NuforcCaseSummary } from "./NuforcCaseSummary"
 
 export const nuforcDatasource = new NuforcHttpDatasource()
 
-export const nuforcRR0Mapper = new NuforcRR0Mapper(cityService, countryService, nuforcDatasource.baseUrl,
-  nuforcDatasource.copyright, nuforcDatasource.author)
+export const nuforcRR0Mapper = new NuforcRR0Mapper(cityService, countryService,
+  nuforcDatasource.baseUrl, nuforcDatasource.copyright, nuforcDatasource.authors)
 
 export const nuforcRR0Mapping = {datasource: nuforcDatasource, mapper: nuforcRR0Mapper}
 
diff --git a/time/datasource/rr0/RR0CaseSummaryMapper.ts b/time/datasource/rr0/RR0CaseSummaryMapper.ts
index 05e4baac9d..1617a2bc17 100644
--- a/time/datasource/rr0/RR0CaseSummaryMapper.ts
+++ b/time/datasource/rr0/RR0CaseSummaryMapper.ts
@@ -1,12 +1,10 @@
 import { CaseMapper } from "../CaseMapper"
 import { HtmlRR0SsgContext } from "../../../RR0SsgContext"
-import { RR0CaseSummary } from "../../RR0CaseSummary"
+import { RR0CaseSummary } from "./RR0CaseSummary"
 
 export class RR0CaseSummaryMapper implements CaseMapper<HtmlRR0SsgContext, RR0CaseSummary, RR0CaseSummary> {
 
-  constructor(
-    readonly baseUrl: string, readonly copyright: string, readonly author: string
-  ) {
+  constructor(readonly baseUrl: string, readonly copyright: string, readonly authors: string[]) {
   }
 
   map(context: HtmlRR0SsgContext, sourceCase: RR0CaseSummary, sourceTime: Date): RR0CaseSummary {
diff --git a/time/datasource/rr0/RR0Datasource.ts b/time/datasource/rr0/RR0Datasource.ts
index 6db625c59f..cb6ffa55e5 100644
--- a/time/datasource/rr0/RR0Datasource.ts
+++ b/time/datasource/rr0/RR0Datasource.ts
@@ -1,8 +1,10 @@
 import { CaseSource } from "../CaseSource"
-import { RR0CaseSummary } from "../../RR0CaseSummary"
+import { RR0CaseSummary } from "./RR0CaseSummary"
+import { RR0SsgContext } from "../../../RR0SsgContext"
 
 export abstract class RR0Datasource implements CaseSource<RR0CaseSummary> {
-  readonly author = "Jérôme Beau"
+  readonly authors = ["Jérôme Beau"]
   readonly copyright = "RR0"
 
+  abstract getAll(context: RR0SsgContext): Promise<RR0CaseSummary[]>
 }
diff --git a/time/datasource/rr0/RR0HttpDatasource.ts b/time/datasource/rr0/RR0HttpDatasource.ts
index e52846f6fa..e95e99eb6d 100644
--- a/time/datasource/rr0/RR0HttpDatasource.ts
+++ b/time/datasource/rr0/RR0HttpDatasource.ts
@@ -80,7 +80,7 @@ export class RR0HttpDatasource extends RR0Datasource {
       const sourceContent = sourceId.querySelector(".source-contents")
       const title = this.getDescription(sourceContent)
       sourceId.remove()
-      sources.push(new Source(title))
+      sources.push(new Source(title, this.authors))
     }
     return sources
   }
@@ -115,7 +115,7 @@ export class RR0HttpDatasource extends RR0Datasource {
     return {name, place}
   }
 
-  protected getDescription(el: HTMLElement): string {
+  protected getDescription(el: Element): string {
     const notes = el.querySelectorAll(".note-id")
     for (const note of notes) {
       const noteContents = note.querySelector(".note-contents")
diff --git a/time/datasource/rr0/RR0Mapping.ts b/time/datasource/rr0/RR0Mapping.ts
index 8cff44c6da..f42295e0ac 100644
--- a/time/datasource/rr0/RR0Mapping.ts
+++ b/time/datasource/rr0/RR0Mapping.ts
@@ -1,13 +1,10 @@
-import { RR0HttpDatasource } from "./Rr0HttpDatasource"
-import { cityService } from "../../../org/Cities"
 import { RR0CaseSummary } from "./RR0CaseSummary"
 import { RR0CaseSummaryMapper } from "./RR0CaseSummaryMapper"
+import { RR0HttpDatasource } from "./RR0HttpDatasource"
 
 export const rr0Datasource = new RR0HttpDatasource()
 
-export const rr0Mapper = new RR0CaseSummaryMapper(cityService, rr0Datasource.baseUrl,
-  rr0Datasource.copyright,
-  rr0Datasource.author)
+export const rr0Mapper = new RR0CaseSummaryMapper(rr0Datasource.baseUrl, rr0Datasource.copyright, rr0Datasource.authors)
 
 export const rr0Mapping = {datasource: rr0Datasource, mapper: rr0Mapper}
 
diff --git a/time/datasource/urecat/UrecatDatasource.ts b/time/datasource/urecat/UrecatDatasource.ts
index 67d9edeca2..efd5731925 100644
--- a/time/datasource/urecat/UrecatDatasource.ts
+++ b/time/datasource/urecat/UrecatDatasource.ts
@@ -1,7 +1,10 @@
 import { UrecatCase } from "./UrecatCase"
 import { CaseSource } from "../CaseSource"
+import { RR0SsgContext } from "../../../RR0SsgContext"
 
 export abstract class UrecatDatasource implements CaseSource<UrecatCase> {
-  readonly author = "Gross, Patrick"
+  readonly authors = ["Gross, Patrick"]
   readonly copyright = "URECAT (Les ovnis vus de près)"
+
+  abstract getAll(context: RR0SsgContext): Promise<UrecatCase[]>
 }
diff --git a/time/datasource/urecat/UrecatRR0Mapper.ts b/time/datasource/urecat/UrecatRR0Mapper.ts
index e2dd80cd2a..de7a40f97b 100644
--- a/time/datasource/urecat/UrecatRR0Mapper.ts
+++ b/time/datasource/urecat/UrecatRR0Mapper.ts
@@ -3,16 +3,15 @@ import { UrecatCase } from "./UrecatCase"
 import { HtmlRR0SsgContext } from "../../../RR0SsgContext"
 import { OnlineSource } from "../../../source/OnlineSource"
 import { CityService } from "../../../org/country/region/department/city/CityService"
-import { NamedPlace, RR0CaseSummary } from "../../RR0CaseSummary"
 import assert from "assert"
 import { CountryService } from "../../../org/country/CountryService"
+import { NamedPlace, RR0CaseSummary } from "../rr0/RR0CaseSummary"
 
 export class UrecatRR0Mapper implements CaseMapper<HtmlRR0SsgContext, UrecatCase, RR0CaseSummary> {
 
   constructor(
     protected cityService: CityService, protected countryService: CountryService,
-    readonly baseUrl: string,
-    readonly copyright: string, readonly author: string
+    readonly baseUrl: string, readonly copyright: string, readonly authors: string[]
   ) {
   }
 
@@ -23,7 +22,7 @@ export class UrecatRR0Mapper implements CaseMapper<HtmlRR0SsgContext, UrecatCase
 
   map(context: HtmlRR0SsgContext, sourceCase: UrecatCase, sourceTime: Date): RR0CaseSummary {
     const caseSource = new OnlineSource(sourceCase.url, "cas n° " + sourceCase.caseNumber,
-      [this.author],
+      this.authors,
       {publisher: this.copyright, time: sourceTime.toLocaleString()})
     const location = sourceCase.basicInfo.base.location
     const sourceCountry = location.country
diff --git a/time/datasource/urecat/UrecatRR0Mapping.ts b/time/datasource/urecat/UrecatRR0Mapping.ts
index 4371b1d30a..340db88b4c 100644
--- a/time/datasource/urecat/UrecatRR0Mapping.ts
+++ b/time/datasource/urecat/UrecatRR0Mapping.ts
@@ -7,7 +7,7 @@ import { UrecatCase } from "./UrecatCase"
 export const urecatDatasource = new UrecatHttpDatasource()
 
 export const urecatRR0Mapper = new UrecatRR0Mapper(cityService, countryService, urecatDatasource.baseUrl,
-  urecatDatasource.copyright, urecatDatasource.author)
+  urecatDatasource.copyright, urecatDatasource.authors)
 
 export const urecatRR0Mapping = {datasource: urecatDatasource, mapper: urecatRR0Mapper}