diff --git a/skohub.shacl.ttl b/skohub.shacl.ttl
index ce45c6d..84ca58d 100644
--- a/skohub.shacl.ttl
+++ b/skohub.shacl.ttl
@@ -9,6 +9,7 @@
 @prefix dct: <http://purl.org/dc/terms/> .
 @prefix sdo: <https://schema.org> .
 @prefix vann: <http://purl.org/vocab/vann/> .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
 
 # rdfs:comment holds info with what file under ./tests/invalid/skohub.shacl.ttl
 # the constraint is tested
@@ -17,14 +18,32 @@
 :ConceptSchemeShape
   a sh:NodeShape ;
   sh:targetClass skos:ConceptScheme ;
-  sh:property [
-    sh:path dct:title ;
-    sh:minCount 1;
-    sh:datatype rdf:langString ;
-    sh:message "Concept Scheme has no dct:title with a language tag!" ;
-    sh:severity sh:Violation ;
-    rdfs:comment "Tested with 01_cs_no_title.ttl" ;
-  ] ;
+  sh:or (
+    [
+      sh:path dct:title ;
+      sh:minCount 1;
+      sh:datatype rdf:langString ;
+      sh:message "Concept Scheme has no dct:title with a language tag!" ;
+      sh:severity sh:Violation ;
+      rdfs:comment "Tested with 01_cs_no_title.ttl" ;
+    ] 
+    [
+      sh:path skos:prefLabel ;
+      sh:minCount 1;
+      sh:datatype rdf:langString ;
+      sh:message "Concept Scheme has no skos:prefLabel with a language tag!" ;
+      sh:severity sh:Violation ;
+      rdfs:comment "Tested with 01_cs_no_title.ttl" ;
+    ] 
+    [
+      sh:path dc:title ;
+      sh:minCount 1;
+      sh:datatype rdf:langString ;
+      sh:message "Concept Scheme has no dc:title with a language tag!" ;
+      sh:severity sh:Violation ;
+      rdfs:comment "Tested with 01_cs_no_title.ttl" ;
+    ] 
+  );
   sh:property [
     sh:path skos:hasTopConcept ;
     sh:minCount 1 ;
@@ -40,15 +59,26 @@
     sh:message "The target class for hasTopConcept should be skos:Concept" ;
     rdfs:comment "Tested with 03_cs_target_class_hasTopConcept.ttl" ;
   ] ;
-  sh:property [
-    sh:path dct:description ;
-    sh:datatype rdf:langString ;
-    sh:severity sh:Warning ;
-    sh:minCount 1 ;
-    sh:message: "A description of the Concept Scheme should be provided." ;
-    rdfs:comment "Tested with 04_cs_no_description.ttl" ;
-    rdfs:comment "Tested with 05_cs_description_no_langstring.ttl" ;
-  ] ;
+  sh:or (
+    [
+      sh:path dct:description ;
+      sh:datatype rdf:langString ;
+      sh:severity sh:Warning ;
+      sh:minCount 1 ;
+      sh:message: "A description of the Concept Scheme should be provided." ;
+      rdfs:comment "Tested with 04_cs_no_description.ttl" ;
+      rdfs:comment "Tested with 05_cs_description_no_langstring.ttl" ;
+    ]
+    [
+      sh:path dc:description ;
+      sh:datatype rdf:langString ;
+      sh:severity sh:Warning ;
+      sh:minCount 1 ;
+      sh:message: "A description of the Concept Scheme should be provided." ;
+      rdfs:comment "Tested with 04_cs_no_description.ttl" ;
+      rdfs:comment "Tested with 05_cs_description_no_langstring.ttl" ;
+    ]
+  ) ;
   sh:property [
     sh:path dct:license ;
     sh:minCount 1 ;
diff --git a/tests/valid/skohub.shacl.ttl/02_valid_skohub_file_cs_prefLabel.ttl b/tests/valid/skohub.shacl.ttl/02_valid_skohub_file_cs_prefLabel.ttl
new file mode 100644
index 0000000..ff7e0b2
--- /dev/null
+++ b/tests/valid/skohub.shacl.ttl/02_valid_skohub_file_cs_prefLabel.ttl
@@ -0,0 +1,56 @@
+@base <http://w3id.org/> .
+@prefix dct: <http://purl.org/dc/terms/> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix schema: <http://schema.org/> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+
+# This Concept Scheme has a skos:prefLabel
+
+<> a skos:ConceptScheme ;
+  skos:prefLabel "Test Vokabular"@de, "Test Vocabulary"@en ;
+  dct:description "Test Beschreibung"@de, "Test Description"@en ;
+  dct:issued "2019-12-11" ;
+  dct:publisher <https://oerworldmap.org/resource/urn:uuid:fd06253e-fe67-4910-b923-51db9d27e59f> ;
+  dct:license <http://creativecommons.org/licenses/by/4.0/> ;
+  vann:preferredNamespaceUri "https://w3id.org/test" ;
+  skos:hasTopConcept  <c1> .
+
+<c1> a skos:Concept ;
+  skos:prefLabel "Konzept 1"@de, "Concept 1"@en ;
+  skos:altLabel "Alternativbezeichnung 1"@de, "Alternativbezeichnung 2"@de, "Alt Label 1"@en ;
+  skos:hiddenLabel "Verstecktes Label 1"@de, "Verstecktes Label 2"@de ;
+  skos:definition "Meine Definition"@de ;
+  skos:scopeNote "Meine Scope Note"@de ;
+  skos:note "Meine Anmerkung"@de ;
+  skos:notation "1", "notation" ;
+  skos:example "Ein Beispiel"@de ;
+  skos:narrower <c2> ;
+  skos:narrowerTransitive <c2> ;
+  skos:narrowMatch <https://my-iri.org/> ;
+  skos:related <c4> ;
+  skos:relatedMatch <https://my-iri.org/> ;
+  skos:closeMatch <https://my-iri.org/> ;
+  skos:exactMatch <https://my-iri.org/> ;
+  skos:topConceptOf <> .
+
+<c2> a skos:Concept ;
+  skos:prefLabel "Konzept 2"@de, "Concept 2"@en ;
+  skos:narrower <c3> ;
+  skos:broader <c1> ;
+  skos:broaderTransitive <c1> ;
+  skos:broadMatch <https://my-iri.org/> ;
+  skos:inScheme <> .
+
+<c3> a skos:Concept ;
+  skos:prefLabel "Konzept 3"@de ;
+  skos:broader <c2> ;
+  skos:inScheme <> .
+
+<c4> a skos:Concept ;
+  skos:prefLabel "Konzept 4"@de ;
+  skos:broader <c2> ;
+  skos:inScheme <> .
+
+<collection> a skos:Collection ;
+  skos:prefLabel "Meine Collection"@de, "My Collection"@en ;
+  skos:member <c1>, <c2> .
diff --git a/tests/valid/skohub.shacl.ttl/03_valid_skohub_file_cs_dctitle.ttl b/tests/valid/skohub.shacl.ttl/03_valid_skohub_file_cs_dctitle.ttl
new file mode 100644
index 0000000..7a52b89
--- /dev/null
+++ b/tests/valid/skohub.shacl.ttl/03_valid_skohub_file_cs_dctitle.ttl
@@ -0,0 +1,57 @@
+@base <http://w3id.org/> .
+@prefix dct: <http://purl.org/dc/terms/> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix schema: <http://schema.org/> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+
+# This Concept Scheme has a dc:title field
+
+<> a skos:ConceptScheme ;
+  dc:title "Test Vokabular"@de, "Test Vocabulary"@en ;
+  dct:description "Test Beschreibung"@de, "Test Description"@en ;
+  dct:issued "2019-12-11" ;
+  dct:publisher <https://oerworldmap.org/resource/urn:uuid:fd06253e-fe67-4910-b923-51db9d27e59f> ;
+  dct:license <http://creativecommons.org/licenses/by/4.0/> ;
+  vann:preferredNamespaceUri "https://w3id.org/test" ;
+  skos:hasTopConcept  <c1> .
+
+<c1> a skos:Concept ;
+  skos:prefLabel "Konzept 1"@de, "Concept 1"@en ;
+  skos:altLabel "Alternativbezeichnung 1"@de, "Alternativbezeichnung 2"@de, "Alt Label 1"@en ;
+  skos:hiddenLabel "Verstecktes Label 1"@de, "Verstecktes Label 2"@de ;
+  skos:definition "Meine Definition"@de ;
+  skos:scopeNote "Meine Scope Note"@de ;
+  skos:note "Meine Anmerkung"@de ;
+  skos:notation "1", "notation" ;
+  skos:example "Ein Beispiel"@de ;
+  skos:narrower <c2> ;
+  skos:narrowerTransitive <c2> ;
+  skos:narrowMatch <https://my-iri.org/> ;
+  skos:related <c4> ;
+  skos:relatedMatch <https://my-iri.org/> ;
+  skos:closeMatch <https://my-iri.org/> ;
+  skos:exactMatch <https://my-iri.org/> ;
+  skos:topConceptOf <> .
+
+<c2> a skos:Concept ;
+  skos:prefLabel "Konzept 2"@de, "Concept 2"@en ;
+  skos:narrower <c3> ;
+  skos:broader <c1> ;
+  skos:broaderTransitive <c1> ;
+  skos:broadMatch <https://my-iri.org/> ;
+  skos:inScheme <> .
+
+<c3> a skos:Concept ;
+  skos:prefLabel "Konzept 3"@de ;
+  skos:broader <c2> ;
+  skos:inScheme <> .
+
+<c4> a skos:Concept ;
+  skos:prefLabel "Konzept 4"@de ;
+  skos:broader <c2> ;
+  skos:inScheme <> .
+
+<collection> a skos:Collection ;
+  skos:prefLabel "Meine Collection"@de, "My Collection"@en ;
+  skos:member <c1>, <c2> .
diff --git a/tests/valid/skohub.shacl.ttl/04_valid_skohub_file_dc_description.ttl b/tests/valid/skohub.shacl.ttl/04_valid_skohub_file_dc_description.ttl
new file mode 100644
index 0000000..2db25cb
--- /dev/null
+++ b/tests/valid/skohub.shacl.ttl/04_valid_skohub_file_dc_description.ttl
@@ -0,0 +1,57 @@
+@base <http://w3id.org/> .
+@prefix dct: <http://purl.org/dc/terms/> .
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix schema: <http://schema.org/> .
+@prefix vann: <http://purl.org/vocab/vann/> .
+@prefix dc: <http://purl.org/dc/elements/1.1/> .
+
+# Concept Scheme has a dc:description
+
+<> a skos:ConceptScheme ;
+  dct:title "Test Vokabular"@de, "Test Vocabulary"@en ;
+  dc:description "Test Beschreibung"@de, "Test Description"@en ;
+  dct:issued "2019-12-11" ;
+  dct:publisher <https://oerworldmap.org/resource/urn:uuid:fd06253e-fe67-4910-b923-51db9d27e59f> ;
+  dct:license <http://creativecommons.org/licenses/by/4.0/> ;
+  vann:preferredNamespaceUri "https://w3id.org/test" ;
+  skos:hasTopConcept  <c1> .
+
+<c1> a skos:Concept ;
+  skos:prefLabel "Konzept 1"@de, "Concept 1"@en ;
+  skos:altLabel "Alternativbezeichnung 1"@de, "Alternativbezeichnung 2"@de, "Alt Label 1"@en ;
+  skos:hiddenLabel "Verstecktes Label 1"@de, "Verstecktes Label 2"@de ;
+  skos:definition "Meine Definition"@de ;
+  skos:scopeNote "Meine Scope Note"@de ;
+  skos:note "Meine Anmerkung"@de ;
+  skos:notation "1", "notation" ;
+  skos:example "Ein Beispiel"@de ;
+  skos:narrower <c2> ;
+  skos:narrowerTransitive <c2> ;
+  skos:narrowMatch <https://my-iri.org/> ;
+  skos:related <c4> ;
+  skos:relatedMatch <https://my-iri.org/> ;
+  skos:closeMatch <https://my-iri.org/> ;
+  skos:exactMatch <https://my-iri.org/> ;
+  skos:topConceptOf <> .
+
+<c2> a skos:Concept ;
+  skos:prefLabel "Konzept 2"@de, "Concept 2"@en ;
+  skos:narrower <c3> ;
+  skos:broader <c1> ;
+  skos:broaderTransitive <c1> ;
+  skos:broadMatch <https://my-iri.org/> ;
+  skos:inScheme <> .
+
+<c3> a skos:Concept ;
+  skos:prefLabel "Konzept 3"@de ;
+  skos:broader <c2> ;
+  skos:inScheme <> .
+
+<c4> a skos:Concept ;
+  skos:prefLabel "Konzept 4"@de ;
+  skos:broader <c2> ;
+  skos:inScheme <> .
+
+<collection> a skos:Collection ;
+  skos:prefLabel "Meine Collection"@de, "My Collection"@en ;
+  skos:member <c1>, <c2> .