diff --git a/src/index.js b/src/index.js
index 5bc5639..db5789e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -884,6 +884,15 @@ function popSearchOrganization(searchOptions) {
 function popSearchTitle(searchOptions) {
     return initialize('title', 'findTitle', 'Find a Title', searchOptions)
 }
+/**
+ * Open a reference/generic entity lookup dialog.
+ * @see cwrc-public-entity-dialogs.initialize
+ * @memberof module:cwrc-public-entity-dialogs
+ * @param {Object} searchOptions 
+ */
+function popSearchRS(searchOptions) {
+    return initialize('rs', 'findRS', 'Find a Referencing String', searchOptions)
+}
 
 module.exports = {
     registerEntitySources: registerEntitySources,
@@ -902,12 +911,14 @@ module.exports = {
     popSearchOrganization: popSearchOrganization,
     popSearchPlace: popSearchPlace,
     popSearchTitle: popSearchTitle,
+    popSearchRS: popSearchRS,
 
     popSearch: {
         person : popSearchPerson,
         organization : popSearchOrganization,
         place : popSearchPlace,
-        title : popSearchTitle
+        title : popSearchTitle,
+        rs : popSearchRS
     }
 
 }
diff --git a/test/fixtures/sourceData.js b/test/fixtures/sourceData.js
index 6840cc4..bd25ff5 100644
--- a/test/fixtures/sourceData.js
+++ b/test/fixtures/sourceData.js
@@ -31,6 +31,10 @@ module.exports = {
             {name: 'viaf-name-10', description: 'viaf-10', id: 'viaf-Id10', uri: testURI, uriForDisplay: displayURI  },
             {name: 'viaf-name-11', id: 'viaf-Id11', uri: testURI, uriForDisplay: displayURI  },
             {name: 'viaf-name-12', description: 'viaf-12', id: 'viaf-Id12', uri: testURI , uriForDisplay: displayURI }
+        ],
+        rs: [
+            {name: 'viaf-name-16', id: 'viaf-Id16', uri: testURI, uriForDisplay: displayURI  },
+            {name: 'viaf-name-24', id: 'viaf-Id24', uri: testURI, uriForDisplay: displayURI  }
         ]
     },
     wikidata: {
diff --git a/test/test.js b/test/test.js
index 86479a5..8a7cbe1 100644
--- a/test/test.js
+++ b/test/test.js
@@ -47,7 +47,8 @@ function getViafStubs() {
         findPerson: sinon.stub().resolves(fixtures.viaf.person),
         findPlace: sinon.stub().resolves(fixtures.viaf.place),
         findOrganization: sinon.stub().resolves(fixtures.viaf.organization),
-        findTitle: sinon.stub().resolves(fixtures.viaf.title)
+        findTitle: sinon.stub().resolves(fixtures.viaf.title),
+        findRS: sinon.stub().resolves(fixtures.viaf.rs)
     }
 }
 
@@ -84,6 +85,7 @@ function getEntitySourceStubs() {
         place: (new Map()).set('geonames', getGeonamesStubs()).set('viaf', getViafStubs()).set('wikidata', getWikidataStubs()).set('getty',getGettyStubs()).set('dbpedia',getDbpediaStubs()),
         organization: (new Map()).set('viaf', getViafStubs()).set('wikidata', getWikidataStubs()).set('dbpedia',getDbpediaStubs()),
         title: (new Map()).set('viaf', getViafStubs()).set('wikidata', getWikidataStubs()).set('dbpedia',getDbpediaStubs()),
+        rs: (new Map()).set('viaf', getViafStubs())
     }
 }