Materialy "Osoboĭ papki" Politbi︠u︡ro T︠S︡K RKP(b)-VKP(b) po voprosu sovet︠s︡ko-polʹskikh otnosheniĭ 1923-1944 gg. /
Kosti︠u︡shko, I. I.(Ivan Ivanovich)
T︠S︡K RKP(b).Politbi︠u︡ro.
T︠S︡K VKP(b).Politbi︠u︡ro.
Moskva : Rossiĭskai︠a︡ akademii︠a︡ nauk, In-t slavi︠a︡novedenii︠a︡ i balkanistiki,
1997.
Includes bibliographical references.