diff --git a/src/MDConcCertainty.php b/src/MDConcCertainty.php
index 9b0da95..9ae9ecc 100644
--- a/src/MDConcCertainty.php
+++ b/src/MDConcCertainty.php
@@ -16,6 +16,8 @@ final class MDConcCertainty implements MDImporterConcordanceListInterface {
         // Uncertain
 
         'fraglich' => false,
+        'nach' => false,
+        'Umkreis von' => false,
 
         // Certain
 
diff --git a/src/MDConcFieldRelatedWorksType.php b/src/MDConcFieldRelatedWorksType.php
index 6669391..372cbc3 100644
--- a/src/MDConcFieldRelatedWorksType.php
+++ b/src/MDConcFieldRelatedWorksType.php
@@ -131,6 +131,7 @@ enum MDConcFieldRelatedWorksType {
             'Abbildung weitgehend identisch',
             'abgebildet auf/in',
             'bildet ab',
+            'basierend auf',
             'Pendant zu',
             'ist Pendant zu',
             'Ist Pendant zu',
@@ -139,6 +140,7 @@ enum MDConcFieldRelatedWorksType {
             'Ist Pendant von',
             'enthält',
             'hat Bezug zu',
+            'bezogen auf',
             'http://terminology.lido-schema.org/lido00263',
             'http://digicult.vocnet.org/terminology/ter00224',
             'http://digicult.vocnet.org/terminology/ter00225',
diff --git a/src/MDConcLicenses.php b/src/MDConcLicenses.php
index 3c2eb8e..f5430d4 100644
--- a/src/MDConcLicenses.php
+++ b/src/MDConcLicenses.php
@@ -141,6 +141,7 @@ final class MDConcLicenses implements MDImporterConcordanceListInterface {
         "https://www.europeana.eu/rights/rr-r/" => "RR-R",
 
         'PDM' => 'Public Domain Mark',
+        'Public Domain Mark 1.0' => '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',
diff --git a/src/MDConcMeasurementTypes.php b/src/MDConcMeasurementTypes.php
index 90d890d..857d77b 100644
--- a/src/MDConcMeasurementTypes.php
+++ b/src/MDConcMeasurementTypes.php
@@ -174,6 +174,7 @@ final class MDConcMeasurementTypes implements MDImporterConcordanceListInterface
             "(Höhe)",
             " (Höhe)",
             "Höhe (gesamt)",
+            "Höhe (Objekt)",
             "Höhe (Etui)",
             "Höhe (netto)",
             "Höhe (ausgeklappt)",
@@ -197,6 +198,8 @@ final class MDConcMeasurementTypes implements MDImporterConcordanceListInterface
             "length",
             "(Länge)",
             " (Länge)",
+            "Länge/Tiefe",
+            "Länge / Tiefe",
             "Lichtmass (Länge)",
             "Lichtmass (Tiefe)",
             "Tiefe",
@@ -207,6 +210,7 @@ final class MDConcMeasurementTypes implements MDImporterConcordanceListInterface
             "Tiefe/Länge",
             "Tiefe min",
             "Tiefe max",
+            "Tiefe/Länge (Objekt)",
             "Außenmaß (Tiefe)",
             "Teife",
             "length",
@@ -234,6 +238,7 @@ final class MDConcMeasurementTypes implements MDImporterConcordanceListInterface
             "Breite (aufgeschlagen)",
             "Breite größtes Stück",
             "Breite (gesamt)",
+            "Breite (Objekt)",
             "(Breite)",
             "Lichtmass (Breite)",
             " (Breite)",
@@ -277,6 +282,16 @@ final class MDConcMeasurementTypes implements MDImporterConcordanceListInterface
             "Stärke",
             "Wandstärke (Durchmesser)" => MDMeasurementType::wall,
 
+            "Length of socle",
+            "Tiefe/Länge (Sockel)",
+            "Länge (Sockel)" => MDMeasurementType::length_socle,
+
+            "Height of socle",
+            "Höhe (Sockel)" => MDMeasurementType::height_socle,
+
+            "Width of socle",
+            "Breite (Sockel)" => MDMeasurementType::height_socle,
+
             "Höhe (Blatt)",
             "Blattmaß (Höhe)",
             "Blattmass (Höhe)" => MDMeasurementType::height_sheet_size,