https://www.mappingthelives.org/bio/738db9c2-3171-445f-993c-3ee901904691
Benjamin Holländer (1865 - 1942) - Genealogy (geni.com)
Terezín Memorial (pamatnik-terezin.cz)
https://www.geschichtswerkstatt-dueren.de/juedische-mitbuerger-innen/article/2099-hollaender