Information concerning the search for a Bolshevik activist Mendel Sauerbaum in 1920

Information about Mendel Sauerbaum, a Bolshevik activist, who was supposed to leave Berlin and arrive in Warsaw in order to spread propaganda.
The National Archives in Krakow
Fonds: Starostwo Grodzkie Krakowskie
Signature: StGKr 35
Page/Card Number: L.1420/pr/20
Language: Polish
Creation Date: 1920
Place of origin: Cracow
Geographical names: Berlin, Warsaw
Surnames: Sauerbaum Mendel