一般注記Vol. <11 > edited by I.I. Kosti͡ushko and V. Balt͡serak.
Vol. <12 > edited by I. I. Kosti͡ushko and B. Bi︠a︠lokozovich.
On p. [1], v. 1-2: Akademii͡a nauk SSSR. Institut slavi͡anovedenii͡a. Pol'skai͡a akademii͡a nauk. Sektor istorii pol'sko-sovetskikh otnosheniĭ; v. 3-6: Akademii͡a nauk SSSR. Institut slavi͡anovedenii͡a. Pol'skai͡a akademii͡a nauk. Institut istorii pol'sko-sovetskikh otnosheniĭ; v. 7-<11 >: Akademii͡a nauk SSSR. Institut slavi͡anovedenii͡a i balkanistiki. Pol'skai͡a akademii͡a nauk. Institut sot͡sialisticheskikh stran.
Vol. 2-<4-11 > published by Nauka.