diff --git a/src/MDConcMarkingPosition.php b/src/MDConcMarkingPosition.php
index bfc9b7d..8d3edb6 100644
--- a/src/MDConcMarkingPosition.php
+++ b/src/MDConcMarkingPosition.php
@@ -114,6 +114,10 @@ final class MDConcMarkingPosition implements MDImporterConcordanceListInterface
         "oberer und unterer Rand" => "edge",
         "Passepartout" => "edge",
         "Keilrahmen untere Leiste" => "edge",
+        "Keilrahmen unterer Schenkel" => "edge",
+        "Keilrahmen, unterer Schenkel" => "edge",
+        "Keilrahmen oberer Schenkel" => "edge",
+        "Keilrahmen, oberer Schenkel" => "edge",
 
         // Rear
         "Leinwandrückseite" => "rear_side",