diff --git a/lib/jsonld_serializers.js b/lib/jsonld_serializers.js
index 0cc003f..f184a9d 100644
--- a/lib/jsonld_serializers.js
+++ b/lib/jsonld_serializers.js
@@ -498,6 +498,9 @@ class AggregationSerializer extends JsonLdItemSerializer {
         } else if (field === 'buildingLocation') {
           // Build buildingLocation agg labels from nypl-core:
           v.label = locations[v.value]?.label
+        } else if (field === 'recordType') {
+          // Build buildingLocation agg labels from nypl-core:
+          v.label = recordTypes[v.value]?.label
         } else {
           v.label = v.value
         }
diff --git a/lib/resources.js b/lib/resources.js
index 0594f3a..d0a60ab 100644
--- a/lib/resources.js
+++ b/lib/resources.js
@@ -32,6 +32,7 @@ const ITEM_FILTER_AGGREGATIONS = {
 
 // Configures aggregations:
 const AGGREGATIONS_SPEC = {
+  recordType: { terms: { field: 'recordTypeId' } },
   buildingLocation: { terms: { field: 'buildingLocationIds' } },
   owner: { nested: { path: 'items' }, aggs: { _nested: { terms: { field: 'items.owner_packed' } } } },
   subjectLiteral: { terms: { field: 'subjectLiteral.raw' } },