المؤلفون: Hans Wilschut (Ridderkerk 1966)
الإتاحة: http://data.europeana.eu/aggregation/europeana/2021609/resource_document_museum_rotterdam_http_museumrotterdam_nl_collectie_item_90401
الإتاحة: http://data.europeana.eu/aggregation/europeana/2021609/resource_document_museum_rotterdam_http_museumrotterdam_nl_collectie_item_83325
الإتاحة: http://data.europeana.eu/aggregation/europeana/2021609/resource_document_museum_rotterdam_http_museumrotterdam_nl_collectie_item_81314