المؤلفون: Voss, C.C.
URL الوصول: https://www.europeana.eu/item/92065/BibliographicResource_1000056097188?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCa
URL الوصول: http://europeana.eu/portal/record/92065/BibliographicResource_1000056097188.html