• 42 Books

• 5 History
• 2 Authors, Bulgarian
• 2 Levski, Vasil, 1837-1873
• 1 Akhenaton, King of Egypt
• 1 Church history
• 1 Cyril, Saint, Apostle of the Slavs, approximately 827-869
• 1 Extraterrestrial beings
• 1 German literature
• 1 History and criticism
• 1 Ivaĭlo, Czar of Bulgaria, -1280
• 1 Khristov, Kiril, 1875-1944
• 1 Krum, Khan of Bulgaria, -814
• 1 Methodius, Saint, Apostle of the Slavs, approximately 825-884 or 885
• 1 Military government
• 1 Nefertiti, Queen of Egypt, active 14th century B.C
• 1 Political sociology
• 1 Regionalism
• 1 Serbo-Bulgarian War, 1885
• 1 Soldiers
• 1 Spartacus, -71 B.C
• 1 Tutankhamen, King of Egypt
• 1 World War, 1939-1945

• 2 I︠A︡zova, I︠A︡na
• 2 Kalchev, Kamen
• 2 Karaslavov, Slav Khristov, 1932-2002
• 2 Michev, Svetoslav, 1955-
• 2 Rodev, T︠S︡oncho, 1926-2011
• 1 Akʹov, Vasil
• 1 Aleksiev, Georgi, 1927-2011
• 1 Boĭchev, Stoi︠a︡n
• 1 Chaprazov, Delcho
• 1 Chilingirov, Stilii︠a︡n
• 1 Cholakov, Stefan
• 1 Danevski, Valentin, 1952-
• 1 Galina, Lada, 1934-2015
• 1 Georgiev, Marin, 1946-
• 1 Heinlein, Robert A. (Robert Anson), 1907-1988
• 1 I︠A︡nkova, Marii︠a︡
• 1 Kaligorov, Khristo
• 1 Khristov, Kiril, 1875-1944
• 1 Khristov, Stoĭne
• 1 Kinov, Vasil, 1941-
• 1 Koralov, Emil, pseud
• 1 Kulev, Stefan
• 1 Mantov, Dimitŭr
• 1 Marchev, Petŭr, 1960-
• 1 Martinov, Ivan, 1912-1991

• 5 Bulgaria

• 1 Biography
• 1 Science fiction

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