المؤلفون: http://d-nb.info/gnd/109973070
URL الوصول: http://europeana.eu/portal/record/9200386/BibliographicResource_3000045500600.html
URL الوصول: https://www.europeana.eu/item/9200386/BibliographicResource_3000045500600?utm_source=api&utm_medium=api&utm_campaign=YuvuWBeCa