diff --git a/src/NodaWikidataFetcher.php b/src/NodaWikidataFetcher.php
index d49bfcf..ad366a3 100644
--- a/src/NodaWikidataFetcher.php
+++ b/src/NodaWikidataFetcher.php
@@ -170,6 +170,9 @@ final class NodaWikidataFetcher {
         if ($data === null) {
             throw new MDhttpFailedException("Failed fetching from Wikidata. Try again later.");
         }
+        if (empty($data['entities'][$wikidata_id])) {
+            throw new MDhttpFailedException("Failed fetching from Wikidata. Try again later.");
+        }
         return $data['entities'][$wikidata_id];
 
     }
@@ -1096,6 +1099,44 @@ final class NodaWikidataFetcher {
 
     }
 
+    /**
+     * Function for retrieving information.
+     *
+     * @param string  $wikidata_id Wikidata ID.
+     * @param integer $persinst_id Actor ID.
+     * @param string  $erfasst_von User name who's currently editing.
+     *
+     * @return void
+     */
+    public function retrievePersinstNormDataLinksFromWikidataID(string $wikidata_id, int $persinst_id, string $erfasst_von) {
+
+        self::validateWikidataId($wikidata_id);
+        $data = self::_getWikidataEntity($wikidata_id);
+        if (!empty($nodaLinks = $this->_getNodaLinksFromWikidataResult('persinst', $wikidata_id, $data))) {
+            NodaBatchInserter::linkNodaForPersinst($this->_mysqli_noda, $persinst_id, $nodaLinks, $erfasst_von);
+        }
+
+    }
+
+    /**
+     * Retrieves only norm data links from Wikidata.
+     *
+     * @param string  $wikidata_id Wikidata Q-ID.
+     * @param integer $onum        Place ID.
+     * @param string  $erfasst_von User name of the current user.
+     *
+     * @return void
+     */
+    public function retrievePlaceNormDataLinksFromWikidataID(string $wikidata_id, int $onum, string $erfasst_von) {
+
+        self::validateWikidataId($wikidata_id);
+        $data = self::_getWikidataEntity($wikidata_id);
+        if (!empty($nodaLinks = $this->_getNodaLinksFromWikidataResult('place', $wikidata_id, $data))) {
+            NodaBatchInserter::linkNodaForPlace($this->_mysqli_noda, $onum, $nodaLinks, $erfasst_von);
+        }
+
+    }
+
     /**
      * Function for fetching translations from Wikipedia, based on Wikidata information.
      *