HELVOIRT, GEORGE VAN; SHAMROCK, HAROLD https://data.muziekschatten.nl/som/5569e0bfc97e2b558925e7789e675954 an entity of type: Person schema:name HELVOIRT, GEORGE VAN; SHAMROCK, HAROLD schema:keywords HELVOIRT, GEORGE VAN; SHAMROCK, HAROLD rdf:type schema:Person data from the linked data cloud