diff --git a/interfaces/MDImporterBlacklistInterface.php b/interfaces/MDImporterBlacklistInterface.php
new file mode 100644
index 0000000..e1b6959
--- /dev/null
+++ b/interfaces/MDImporterBlacklistInterface.php
@@ -0,0 +1,21 @@
+<?PHP
+/**
+ * Describes a blacklist for the importer.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Describes a blacklist for the importer.
+ */
+interface MDImporterBlacklistInterface {
+    /**
+     * Checks if the input string is blacklisted.
+     *
+     * @param string $input Input string.
+     *
+     * @return bool
+     */
+    public static function isBlacklisted(string $input):bool;
+}
diff --git a/src/MDConcEventTypes.php b/src/MDConcEventTypes.php
index 5750c0a..8454fef 100644
--- a/src/MDConcEventTypes.php
+++ b/src/MDConcEventTypes.php
@@ -25,6 +25,8 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         'Leipoldt, J.' => 1,
         'Rohleder, Walter, Reichenbach' => 1,
         // "Unknown event"
+        'Aktivität' => 1,
+        'http://terminology.lido-schema.org/lido00004' => 1,
         'Ereignis' => 1,
         'http://terminology.lido-schema.org/lido00003' => 1,
 
@@ -45,6 +47,7 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         'http://terminology.lido-schema.org/eventType/publication' => 3,
         'Publikation' => 3,
         'Publishing' => 3,
+        'Publication' => 3,
         'Publication Event' => 3,
         'Publication (Event)' => 3,
 
@@ -101,6 +104,7 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         'Sent' => 13,
         'Gesendet' => 13,
         'Versendet' => 13,
+        'Abgeschickt' => 13,
 
         // '14' => Issued
         'Issued' => 14,
@@ -121,6 +125,7 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         // 20: Copied
         'Copied' => 20,
         'Kopiert' => 20,
+        'Abgeschrieben' => 20,
 
         // 21: Lived
         'Lived' => 21,
@@ -159,9 +164,11 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
 
         // 31 => Modelled
         'Modelled' => 31,
+        'Modelliert' => 31,
 
         // 32 => Autographed/Signed
         'Autographed/Signed' => 32,
+        'Signiert' => 32,
 
         // 33 => Mentioned
         'Mentioned' => 33,
@@ -210,6 +217,7 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         'Acquisition (Activity)' => 41,
         'Bodenreform' => 41,
         'Kauf' => 41,
+        'Gekauft' => 41,
         'acquisition_Kauf' => 41,
         'acquisition_Diener' => 41,
 
@@ -230,11 +238,13 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         'acquisition_Mehlig' => 42,
         'Provenienz' => 42,
         'Provenance' => 42,
+        'Besessen' => 42,
         'http://terminology.lido-schema.org/lido00227' => 42,
 
         // 43: Was sold
         'was sold' => 43,
         'Verkauft' => 43,
+        'Vertrieb' => 43,
 
         // 44: Restorated
         'Restaurierung' => 44,
@@ -254,6 +264,7 @@ final class MDConcEventTypes implements MDImporterConcordanceListInterface {
         'Nachlass' => 49,
         'Übergabe' => 49,
         'Stiftung' => 49,
+        'Gespendet / Geschenkt' => 49,
         'acquisition_Schenkung' => 49,
         'acquisition_Nachlass' => 49,
         'acquisition_Übergabe' => 49,
diff --git a/src/MDConcFieldRelatedWorksType.php b/src/MDConcFieldRelatedWorksType.php
index 78bfd1a..d1f097f 100644
--- a/src/MDConcFieldRelatedWorksType.php
+++ b/src/MDConcFieldRelatedWorksType.php
@@ -42,6 +42,9 @@ enum MDConcFieldRelatedWorksType {
             "Teil von",
             "ist Teil von",
             "Gehört zu",
+            "gehört zu",
+            "Gehört zu Sammlung",
+            "gehört zu Sammlung",
             "Part of",
             "Gesamtwerk",
             "part of",
@@ -56,6 +59,11 @@ enum MDConcFieldRelatedWorksType {
             "ist Version von",
             "inhaltlicher Bezug zu",
             "Teil",
+            "Teil 1",
+            "Teil 2",
+            "Teil 3",
+            "Teil 4",
+            "hat Teil",
             "has part",
             "Dublette",
             "Objektbezug",
@@ -103,6 +111,8 @@ enum MDConcFieldRelatedWorksType {
             "Blatt",
             "Photo",
             "Einzelteil",
+            "verwandt mit",
+            "Zusammen ein Ganzes bildend mit",
             "Vorlage" => self::related_works_freetext,
 
             "Weblink",
diff --git a/src/MDConcLengths.php b/src/MDConcLengths.php
index f39508c..c24e319 100644
--- a/src/MDConcLengths.php
+++ b/src/MDConcLengths.php
@@ -60,6 +60,24 @@ final class MDConcLengths implements MDImporterConcordanceListInterface {
         "mit Stahlrahmen"      => "",
         "Pfeilhöhe"            => "",
         "Klingenbreite"        => "",
+        "bis"                  => "",
+        "vorne"                => "",
+        "hinten"               => "",
+        "zwischenund"          => "",
+        "Standring"            => "",
+        "kleinsterDurchmesser"  => "",
+        "größterDurchmesser"    => "",
+        "kleinster Durchmesser"  => "",
+        "größter Durchmesser"    => "",
+        "Klinge"               => "",
+        "Henkel"               => "",
+        "mitFaden"              => "",
+        "mit Faden"             => "",
+        "ohneFaden"              => "",
+        "ohne Faden"             => "",
+        "nichtmessbar"          => "",
+        "nicht messbar"         => "",
+        "Stoffbreite"           => "",
 
         // cm
         "cn"         => "cm",
diff --git a/src/MDConcLicenses.php b/src/MDConcLicenses.php
index 480360f..1d1390c 100644
--- a/src/MDConcLicenses.php
+++ b/src/MDConcLicenses.php
@@ -30,6 +30,7 @@ final class MDConcLicenses implements MDImporterConcordanceListInterface {
         "http://creativecommons.org/licenses/by/4.0" => "CC BY",
         "https://creativecommons.org/licenses/by/4.0" => "CC BY",
         "https://creativecommons.org/licenses/by/4.0/" => "CC BY",
+        "https://creativecommons.org/licenses/by/4.0/deed.de" => "CC BY",
 
         "CC BY SA"  => "CC BY-SA",
         "CC BY-SA-" => "CC BY-SA",
diff --git a/src/blacklists/MDBlacklistNodaRepositories.php b/src/blacklists/MDBlacklistNodaRepositories.php
new file mode 100644
index 0000000..b4c6c88
--- /dev/null
+++ b/src/blacklists/MDBlacklistNodaRepositories.php
@@ -0,0 +1,59 @@
+<?PHP
+/**
+ * Constains a blacklist for disallowed names of vocabularies (either nonsense
+ * ones or ones not supported by md).
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Constains a blacklist for disallowed names of vocabularies (either nonsense
+ * ones or ones not supported by md).
+ */
+final class MDBlacklistNodaRepositories implements MDImporterBlacklistInterface {
+
+    /**
+     * List of blacklisted repository names.
+     */
+    private const BLACKLIST = [
+        '',
+        'actor.xtree',
+        'akl',
+        'akl-nummer',
+        'AKL',
+        'AKL-Nummer',
+        'bmpi', // What is this?
+        'Bildindex-KUE-Datei',
+        'digitales kunst- und kulturarchiv düsseldorf',
+        'Digitales Kunst- und Kulturarchiv Düsseldorf',
+        'digicult.web',
+        'digiCULT.web',
+        'digicult.vocnet.org',
+        'isil',
+        'ISIL',
+        'kue.id',
+        'kue.id.',
+        'md:term',
+        'RIA/SMB',
+        'swd-nummer',
+        'SWD-Nummer',
+        'xtree'
+    ];
+
+    /**
+     * Checks if the input string is blacklisted.
+     *
+     * @param string $input Input string.
+     *
+     * @return boolean
+     */
+    public static function isBlacklisted(string $input):bool {
+
+        if (in_array($input, self::BLACKLIST, true)) {
+            return true;
+        }
+        return false;
+
+    }
+}