The Central Jewish Bureau (, CBŻ) was a Jewish autonomous section inside the Communist Party of Poland. The CBŻ was founded shortly after the Kombund had merged into the Communist Party in 1923. The role of the CBŻ was to mobilize support for the Communist Party amongst the Jewish community.Jaff Schatz. Jews and the communist movement in interwar Poland. In: Jonathan Frankel. Dark Times, Dire Decisions: Jews and Communism. Studies in Contemporary Jewry. Oxford University Press US, 2005, p. 20. However, not all Jewish party members were part of the CBŻ; assimilated Jewish communists were active in the main Polish party organization.Joseph Marcus. Social and Political History of the Jews in Poland, 1919-1939. Walter de Gruyter, 1983. p. 290.
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See also Robotniczy Klub Sportowy „Skała" Yevsektsia