Approval.

iw/institution_basic_category_set.php

@@ -0,0 +1,9 @@
+<?PHP
+declare(strict_types = 1);
+$institution_basic_category_set = array (
+  'archive' => 'Archive',
+  'library' => 'Library',
+  'memorial_site' => 'Memorial site',
+  'private_collection' => 'Private collection',
+  'museum' => 'Museum',
+);