Goli︠a︡ma ent︠s︡iklopedii︠a︡ Bŭlgarii︠a︡Vasil Gi︠u︡zelev, Elka Bakalova, Anton Donchev, Vasil Golemanski, Evgeni Golovinski, Neno Dimov, Chudomir Khristov Goleminov · First published 2011Open the Tome
Avgust Popov v zashtita na filosofskite vŭzgledi na Dimitŭr BlagoevVasil Donchev · First published 1979Open the Tome
