[2][5] The other members of the Central Committee of ZMKwP were Bronisław Berman, Leon Holcer, Władysław Kniewski, Tadeusz Oppman, Stanisław Teszner, Antoni Werner and Włodzimierz Zawadzki.
[5] In 1923 the left opposition of the Polish League of Socialist Youth (ZPMS) joined ZMKwP.
[6] Komtsukunft, the youth wing of the Jewish Communist Labour Bund in Poland, merged into ZMKwP in March–April 1923.
[9][11] The Jewish dominance in the membership hindered expansion between in rural areas, as Jewish-dominated branches in small towns were largely disconnected from the peasantry in the surrounding countrysides.
[12][13] In 1938 KZMP was dissolved, along with the mother party, by a decision of the Executive Committee of the Communist International.