http://lod.ehri-project-test.eu/isCopyOfRelations/efac6fce-87d3-11f0-9835-258c5968a1c6 an entity of type: IsCopyOfRelation
"Collection of the Van Leer Stichting (Van Leer Institute) in Amsterdam, the Netherlands, 1941-1959" was copied from "Van Leer-Stichting"