https://collections.arolsen-archives.org/en/search/person/6966683?s=Rubel%20Marek&t=0&p=0
https://collections.arolsen-archives.org/en/search/person/130556325?s=Rubel%20Marek&t=2731289&p=0
https://collections.arolsen-archives.org/en/search/person/10740167?s=Rubel%20Marek&t=2114574&p=0