Ulbrich, Siegfried; Blecher, Carl-Ulrich https://data.muziekschatten.nl/som/d9215350df4dfecec6994aa05b18e99e an entity of type: Person schema:name Ulbrich, Siegfried; Blecher, Carl-Ulrich schema:keywords Ulbrich, Siegfried; Blecher, Carl-Ulrich rdf:type schema:Person data from the linked data cloud