diff --git a/l18n b/l18n
index ead81f6..fcb79d3 160000
--- a/l18n
+++ b/l18n
@@ -1 +1 @@
-Subproject commit ead81f60198ef43a6914caa7ac879b85933f741f
+Subproject commit fcb79d39d7f6bffa1f95684a94bc476b420942e0
diff --git a/src/MDObjectSyndicationSet.php b/src/MDObjectSyndicationSet.php
new file mode 100644
index 0000000..f3ae1d2
--- /dev/null
+++ b/src/MDObjectSyndicationSet.php
@@ -0,0 +1,65 @@
+<?PHP
+/**
+ * Contains a class listing central object repositories which may share contents
+ * with museum-digital.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Class listing syndication sources.
+ */
+final class MDObjectSyndicationSet extends MDValueSet {
+
+    const REPOSITORIES = [
+
+        'ddb' => [
+            'url'           => 'https://www.deutsche-digitale-bibliothek.de/',
+            'object_prefix' => 'https://www.deutsche-digitale-bibliothek.de/item/',
+            'org_prefix'    => 'https://www.deutsche-digitale-bibliothek.de/organization/',
+            'id_is_int'     => false,
+        ],
+        'europeana' => [
+            'url'           => 'https://www.europeana.eu/',
+            'object_prefix' => 'https://www.europeana.eu/en/item/',
+            'org_prefix'    => null,
+            'id_is_int'     => false,
+        ],
+
+    ];
+
+    /**
+     * Returns a correctly formed search URL for a given object in a given
+     * repository, optionally naming the institution.
+     *
+     * @param string $repo         Repository to search in.
+     * @param string $instId       Remote ID of the institution to search for.
+     * @param string $search_value Search string.
+     *
+     * @return string
+     */
+    public function getSearchUrlForObject(string $repo, string $instId, string $search_value):string {
+
+        switch ($repo) {
+        case 'ddb':
+            return "https://www.deutsche-digitale-bibliothek.de/searchresults?query=" . \urlencode($search_value) . "&facetValues[]=" . \urlencode("provider_id=" . $instId);
+        default:
+            throw new MDpageParameterNotFromListException("Search URLs can only be generated for the following repositories: ddb");
+        }
+
+    }
+
+    /**
+     * Gets a sorted list of the entries in a translated version.
+     *
+     * @param MDTlLoader $tlLoader Translation loader.
+     *
+     * @return array<string>
+     */
+    public static function getSortedList(MDTlLoader $tlLoader):array {
+
+        return parent::getTlSortedList($tlLoader, array_keys(self::REPOSITORIES), "syndication_repos", "syndication_repos");
+
+    }
+}