diff --git a/Development/cmake/NmosCppLibraries.cmake b/Development/cmake/NmosCppLibraries.cmake
index ecf845a14..c255d6c15 100644
--- a/Development/cmake/NmosCppLibraries.cmake
+++ b/Development/cmake/NmosCppLibraries.cmake
@@ -700,7 +700,7 @@ set(NMOS_IS13_V1_0_SCHEMAS_JSON
     third_party/is-13/${NMOS_IS13_V1_0_TAG}/APIs/schemas/error.json
     third_party/is-13/${NMOS_IS13_V1_0_TAG}/APIs/schemas/resource_core.json
     third_party/is-13/${NMOS_IS13_V1_0_TAG}/APIs/schemas/resource_core_patch.json
-    third_party/is-13/${NMOS_IS13_V1_0_TAG}/APIs/schemas/resource_cores.json
+    third_party/is-13/${NMOS_IS13_V1_0_TAG}/APIs/schemas/resource-list.json
     )
 
 set(NMOS_IS13_SCHEMAS_JSON_MATCH "third_party/is-13/([^/]+)/APIs/schemas/([^;]+)\\.json")
diff --git a/Development/nmos/annotation_api.cpp b/Development/nmos/annotation_api.cpp
index 0f71a3e45..9857cff90 100644
--- a/Development/nmos/annotation_api.cpp
+++ b/Development/nmos/annotation_api.cpp
@@ -248,13 +248,28 @@ namespace nmos
 
             size_t count = 0;
 
-            set_reply(res, status_codes::OK,
-                web::json::serialize_array(resources
-                    | boost::adaptors::filtered(match)
-                    | boost::adaptors::transformed(
-                        [&count](const nmos::resources::value_type& resource) { ++count; return nmos::make_annotation_response(resource); }
-                    )),
-                web::http::details::mime_types::application_json);
+            // experimental extension, to support human-readable HTML rendering of NMOS responses
+            if (experimental::details::is_html_response_preferred(req, web::http::details::mime_types::application_json))
+            {
+                set_reply(res, status_codes::OK,
+                    web::json::serialize_array(resources
+                        | boost::adaptors::filtered(match)
+                        | boost::adaptors::transformed(
+                            [&count, &req](const nmos::resource& resource) { ++count; return experimental::details::make_html_response_a_tag(resource.id + U("/"), req); }
+                        )),
+                    web::http::details::mime_types::application_json);
+            }
+            else
+            {
+                set_reply(res, status_codes::OK,
+                    web::json::serialize_array(resources
+                        | boost::adaptors::filtered(match)
+                        | boost::adaptors::transformed(
+                            [&count](const nmos::resource& resource) { ++count; return value(resource.id + U("/")); }
+                        )
+                    ),
+                    web::http::details::mime_types::application_json);
+            }
 
             slog::log<slog::severities::info>(gate, SLOG_FLF) << "Returning " << count << " matching " << resourceType;
 
diff --git a/Development/nmos/is13_schemas/is13_schemas.h b/Development/nmos/is13_schemas/is13_schemas.h
index 85396e8fb..6a3f76634 100644
--- a/Development/nmos/is13_schemas/is13_schemas.h
+++ b/Development/nmos/is13_schemas/is13_schemas.h
@@ -14,7 +14,7 @@ namespace nmos
             extern const char* error;
             extern const char* resource_core;
             extern const char* resource_core_patch;
-            extern const char* resource_cores;
+            extern const char* resource_list;
         }
     }
 }
diff --git a/Development/third_party/is-13/v1.0-dev/APIs/schemas/resource-list.json b/Development/third_party/is-13/v1.0-dev/APIs/schemas/resource-list.json
new file mode 100644
index 000000000..7239fc400
--- /dev/null
+++ b/Development/third_party/is-13/v1.0-dev/APIs/schemas/resource-list.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema",
+  "type": "array",
+  "description": "List of resource ID paths",
+  "title": "Resources base resource",
+  "items": {
+    "type": "string",
+    "pattern": "^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}/$"
+  },
+  "uniqueItems": true
+}
diff --git a/Development/third_party/is-13/v1.0-dev/APIs/schemas/resource_cores.json b/Development/third_party/is-13/v1.0-dev/APIs/schemas/resource_cores.json
deleted file mode 100644
index e71271693..000000000
--- a/Development/third_party/is-13/v1.0-dev/APIs/schemas/resource_cores.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "$schema": "http://json-schema.org/draft-04/schema#",
-  "type": "array",
-  "description": "A list of resources",
-  "title": "Collection of resources",
-  "items": {
-    "$ref": "resource_core.json"
-  },
-  "uniqueItems": true
-}