https://collections.arolsen-archives.org/de/document/6035694 https://collections.arolsen-archives.org/de/document/5282956 https://www.ushmm.org/online/hsv/person_view.php?PersonId=4298457
https://www.ancestry.de/discoveryui-content/view/3252106:62117?tid=&pid=&queryId=7183a18f507bc7d1ed36c5ce74279723&_phsrc=Bly2&_phstart=successSource
http://www.bddm.org/liv/details.php?id=I.206.#DEGUILLEBON