diff --git a/public/ontology/diglib-struct.rdf b/public/ontology/diglib-struct.rdf
index 3aa07537839b858af39defd18d3325c354b0985f..2672c73716dd552a0b5d4158ea9a44e8f5c96d53 100644
--- a/public/ontology/diglib-struct.rdf
+++ b/public/ontology/diglib-struct.rdf
@@ -163,4 +163,10 @@
   <rdfs:Property rdf:about="http://uri.hab.de/ontology/diglib-struct#TitleDocMain">
     <rdfs:label xml:lang="de">Titel</rdfs:label>
   </rdfs:Property>
+  <rdfs:Property rdf:about="http://uri.hab.de/ontology/diglib-struct#page">
+    <rdfs:label xml:lang="de">Seite</rdfs:label>
+  </rdfs:Property>
+  <rdfs:Property rdf:about="http://uri.hab.de/ontology/diglib-struct#physSequence">
+    <rdfs:label xml:lang="de">Seiten</rdfs:label>
+  </rdfs:Property>
 </rdf:RDF>