https://www.mappingthelives.org/bio/3a914dd4-d90f-46a3-9d4a-b83b1fedda67
https://jlupub.ub.uni-giessen.de/server/api/core/bitstreams/a8af1b54-57c0-48dc-bbb1-d64d8af95d6e/content
https://www.infocenters.co.il/gfh/notebook_ext.asp?book=143531&lang=eng&site=gfh
https://www.alemannia-judaica.de/breidenbach_synagoge.htm