diff --git a/src/MDConcMarkingPosition.php b/src/MDConcMarkingPosition.php
index 0e50a83..0610420 100644
--- a/src/MDConcMarkingPosition.php
+++ b/src/MDConcMarkingPosition.php
@@ -43,6 +43,7 @@ final class MDConcMarkingPosition implements MDImporterConcordanceListInterface
         // Bottom
         "unter der Zeichnung" => "bottom",
         "unterer Bildrand" => "bottom",
+        "Unterer Bildrand" => "bottom",
         "unterer Bildrand, mittig" => "bottom",
         "Unterkante Bild" => "bottom",
         "Boden, unten" => "bottom",
@@ -63,6 +64,7 @@ final class MDConcMarkingPosition implements MDImporterConcordanceListInterface
         "oberer Balken" => "top",
         "Flasche und Verschluß" => "top",
         "obere Abdeckung" => "top",
+        "Mittig oben" => "top",
 
         // Bottom left
         "links unter der Zeichnung" => "bottom_left",
@@ -71,18 +73,28 @@ final class MDConcMarkingPosition implements MDImporterConcordanceListInterface
         "linker, unterer Bildrand" => "bottom_left",
         "linker, unterer Bildrand (über dem Knie)" => "bottom_left",
         "linke, untere Passpartoutkante" => "bottom_left",
+        "linke, untere Ecke" => "bottom_left",
+        "Links unten" => "bottom_left",
+        "Unten links" => "bottom_left",
 
         // Bottom right
         "im Bild unten rechts" => "bottom_right",
         "rechts unten Signatur" => "bottom_right",
         "unterer Bildrand rechts" => "bottom_right",
         "Bildrand rechts unten" => "bottom_right",
+        "Rechts unten" => "bottom_right",
+        "Unten rechts" => "bottom_right",
 
         // Top Left
         "linker, oberer Bildrand" => "top_left",
         "oben links auf Malschicht" => "top_left",
+        "Links oben" => "top_left",
+        "Oben links" => "top_left",
 
         // Top Right
+        "Oben rechts"  => "top_right",
+        "Rechts oben" => "top_right",
+        "Rechte obere Ecke"  => "top_right",
         "vorn, oben, rechts am Gehäuse" => "top_right",
 
         // Edge
@@ -116,6 +128,14 @@ final class MDConcMarkingPosition implements MDImporterConcordanceListInterface
         "Rückseite Kalender" => "rear_side",
         "Rückseite Keilrahmen" => "rear_side",
         "Rükseite" => "rear_side",
+        "Rückseite links oben" => "rear_side",
+        "Rückseite links unten" => "rear_side",
+        "Rückseite mittig" => "rear_side",
+        "Rückseite mittig oben" => "rear_side",
+        "Rückseite oben" => "rear_side",
+        "Rückseite rechte untere Ecke" => "rear_side",
+        "Rückseite rechts" => "rear_side",
+        "Rückseite rechts oben" => "rear_side",
 
         // Misc.
         "x" => "other",