Istorii︠a︡ na Bŭlgarskata komunisticheska partii︠a︡Ruben Avramov · First published 1969 · Latest edition 1984Open the Tome
Mir ili i︠a︡drena katastrofa?Ruben Avramov, Toncho Trendafilov, Nansen Bekhar · First published 1984Open the Tome
Dimitre Blagoëv 1856-1966Ruben Avramov, Georgi S. Georgiev, Institut po istorii︠a︡ na Bŭlgarskata komunisticheska partii︠a︡ · First published 1969Open the Tome
Vliianie Velikoǐ Oktiabr'skoǐ sotsialisticheskoǐ revoliutsiiRuben Avramov · First published 1967Open the Tome
Vlii︠a︡nie Velikoĭ Okti︠a︡brʹskoĭ sot︠s︡ialisticheskoĭ revoli︠u︡t︠s︡ii na revoli︠u︡t︠s︡ionnoe dvizhenie v BolgariiRuben Avramov · First published 1967Open the Tome
