Kostadin Baĭchinski

• Bŭlgarskata komunisticheska partii͡a︡--vdŭkhnovitel i organizator na naroda v izgrazhdaneto na sot͡s︡ialisticheska Bŭlgarii͡a︡
• Georgi Dimitrov on the leading role of the working class and the Communist Party
• Oktober Devrimi ve Proletarya Enternasyonalizmi
• Oktomvriĭskata revoli͡u︡t͡s︡ii͡a︡ i nashata sŭvremennost
• Prinosŭt na Dimitŭr Blagoev, Georgi Dimitrov i Todor Zhivkov za tvorcheskoto razvitie na teoreticheskite i politicheski osnovi na bŭlgaro-sŭvetskata druzhba
• The BCP congresses
• The October revolution and proletarian internationalism