Holocaust Survivors and Victims Database – Cud_k GLA_ROT (ushmm.org)
Memorial Archives > Database Victims - Cud_k Gla_rot (06/11/1903 Łódź) (memorial-archives.international)
(https://collections.arolsen-archives.org/en/search/topic/1-1-26-3_01012603-062-189?s=Cudek%20Glasrot)