diff --git a/src/MDConcLicenses.php b/src/MDConcLicenses.php
index 1d9e767..3e47b22 100644
--- a/src/MDConcLicenses.php
+++ b/src/MDConcLicenses.php
@@ -86,8 +86,10 @@ final class MDConcLicenses implements MDImporterConcordanceListInterface {
 
         'PDM' => 'Public Domain Mark',
         'PDM 1.0' => 'Public Domain Mark',
+        'https://creativecommons.org/public-domain/pdm/' => 'Public Domain Mark',
         'https://creativecommons.org/publicdomain/mark/1.0' => 'Public Domain Mark',
         'https://creativecommons.org/publicdomain/mark/1.0/' => 'Public Domain Mark',
+        'https://creativecommons.org/publicdomain/mark/1.0/deed.de' => 'Public Domain Mark',
         'https://creativecommons.org/publicdomain/mark/1.0/deed.de/' => 'Public Domain Mark',
 
     ];