https://www.mappingthelives.org/bio/a68dde62-3429-4f58-ac95-896d5687dfe8
https://www.myheritage.com/research/record-10921-25825/arnold-lowenstein-in-germany-jewish-victims-of-nazi-persecution?tr_id=m_vu8gxovehy_5nq2smiwlk
Terezín Memorial (pamatnik-terezin.cz)
https://gedbas.genealogy.net/person/show/1279987695