https://collections.arolsen-archives.org/en/search/person/130571690?s=Grigorij%20Teslja&t=2731317&p=0
https://collections.arolsen-archives.org/en/search/person/7266847?s=Grigorij%20Teslja&t=1811048&p=0
Holocaust Survivors and Victims Database – Gregory TESLJA (ushmm.org)