diff --git a/src/enums/MDNodaRepository.php b/src/enums/MDNodaRepository.php
index 7fbc181..57f7dcd 100644
--- a/src/enums/MDNodaRepository.php
+++ b/src/enums/MDNodaRepository.php
@@ -63,6 +63,8 @@ enum MDNodaRepository implements MDValueEnumInterface, JsonSerializable {
             'edition humboldt digital' => self::editionhumboldtdigital,
             'gnd'       => self::gnd,
             'GND'       => self::gnd,
+            'o-gnd'     => self::gnd,
+            'O-GND'     => self::gnd,
             'http://d-nb.info/gnd'  => self::gnd,
             'http://d-nb.info/gnd/' => self::gnd,
             'grobsystematik' => self::grobsystematik,
@@ -91,6 +93,8 @@ enum MDNodaRepository implements MDValueEnumInterface, JsonSerializable {
             'ulan'      => self::ulan,
             'viaf'      => self::viaf,
             'wikidata'  => self::wikidata,
+            'Wikidata'  => self::wikidata,
+            'WIKIPEDIA'  => self::wikidata,
             'wikipedia'  => self::wikipedia,
             'Wikipedia'  => self::wikipedia,
             default => throw new MDpageParameterNotFromListException("Unknown noda repository: '" . $input . "'"),