https://collections.arolsen-archives.org/en/search/person/6923158?s=Josef%20Rheinberg&t=0&p=2
https://collections.arolsen-archives.org/en/search/person/5277484?s=Rheinberg&t=750946&p=16
https://collections.arolsen-archives.org/en/search/person/5281345?s=Rheinberg&t=226690&p=17