https://collections.arolsen-archives.org/en/search/person/6749299?s=Orent%20Felix&t=0&p=0
https://collections.arolsen-archives.org/en/search/topic/1-1-5-3_5450001-039-244?s=Orent%20Felix
Memorial Archives > Database Victims - Felix Orent (07/10/1898 Nadbrzezie) (memorial-archives.international)