Records of the Hauptamt Wissenschaft- series Kennkarten, Police Identification Cards assigned to German Jews (RG 222)
Contains 4689 administrative duplicates of police identification cards, called Kennkarten, issued to German Jews in the period c. 1939 – c. 1942 from several municipalities in Germany, including substantial numbers of cards from Mainz (Stadt & Land), Frankfurt A.M., Geissen, Darmstadt (Stadt & Land) and Worms.