Given name: Jakób Family name: Proszower (3)

(1)

deputy district commander in the Economic Department of the Jewish Police (Order Service) - July 1941

(2)

in the late 40s - in the Economic Department of the Jewish Police (Order Service)

(3)

Engineer, from 1940 - a clerk in Division III of the Jewish Police (Order Service).

(1)

Documents from the State Archive of New Records regarding
the Warsaw Ghetto

(2)

Documents from Ringelblum's Archive, part I

(1) [s., 529,, AAN-27,, s.4], (2) 100, (3) , cz.2 str. 16