diff --git a/src/MDEventsSet.php b/src/MDEventsSet.php
index 2065999..c872ff3 100644
--- a/src/MDEventsSet.php
+++ b/src/MDEventsSet.php
@@ -8,7 +8,7 @@
 /**
  * Class containing available units for events.
  */
-class MDEventsSet {
+class MDEventsSet extends MDValueSet {
 
     const EVENT_IDS = [
         '1',  // => Created
@@ -57,14 +57,7 @@ class MDEventsSet {
      * @return array<string>
      */
     public static function getSortedList(MDTlLoader $tlLoader):array {
-
-        $output = [];
-        foreach (self::EVENT_IDS as $tID) {
-            $output[$tID] = $tlLoader->tl("eventtype_name", "eventname", $tID);
-        }
-
-        asort($eventTypes);
-        return $output;
+        return parent::getSortedList($tlLoader, self::EVENT_IDS, "eventtype_name", "eventname");
 
     }
 
diff --git a/src/MDMarkingTypesSet.php b/src/MDMarkingTypesSet.php
index 8c5abf2..1310802 100644
--- a/src/MDMarkingTypesSet.php
+++ b/src/MDMarkingTypesSet.php
@@ -8,7 +8,7 @@
 /**
  * Class containing available marking types.
  */
-class MDMarkingTypesSet {
+class MDMarkingTypesSet extends MDValueSet {
 
     const MARKING_TYPES = [
         'signature',
@@ -21,4 +21,16 @@ class MDMarkingTypesSet {
         'handwritten',
     ];
 
+    /**
+     * Gets a sorted list of the entries in a translated version.
+     *
+     * @param MDTlLoader $tlLoader Translation loader.
+     *
+     * @return array<string>
+     */
+    public static function getSortedList(MDTlLoader $tlLoader):array {
+        return parent::getSortedList($tlLoader, self::MARKING_TYPES, "marking_types", "marking_types");
+
+    }
+
 }
diff --git a/src/MDValueSet.php b/src/MDValueSet.php
new file mode 100644
index 0000000..9961ae5
--- /dev/null
+++ b/src/MDValueSet.php
@@ -0,0 +1,35 @@
+<?PHP
+/**
+ * Parent class for controlled lists of available values at md.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+
+/**
+ * Generic class for value sets.
+ */
+class MDValueSet {
+
+    /**
+     * Gets a list of entries in a translated version.
+     *
+     * @param MDTlLoader    $tlLoader   Translation loader.
+     * @param array<string> $keyList    List of keys to get translations for.
+     * @param string        $tlFileName Name of the translation file.
+     * @param string        $tlVarName  Variable of the translation.
+     *
+     * @return array<string>
+     */
+    public static function getSortedList(MDTlLoader $tlLoader, array $keyList, string $tlFileName, string $tlVarName):array {
+
+        $output = [];
+        foreach ($keyList as $tID) {
+            $output[$tID] = $tlLoader->tl($tlFileName, $tlVarName, $tID);
+        }
+
+        asort($output);
+        return $output;
+
+    }
+
+}