• 13 Wisconsin Historical Society Library
• 7 Law Library
• 4 Verona Shelving Facility
• 3 Steenbock Library
• 2 Art Library (Kohler)
• 2 WHS State Archives Preservation Facility
• 1 Special Collections (Memorial Library)
• 1 Temporary Relocation Library

• 3,998 Books
• 146 Journals, Magazines, Newspapers
• 20 Microforms
• 4 Maps, Atlases
• 1 Manuscripts, Theses
• 1 Photos, Drawings, Prints

• 1,623 History
• 423 Politics and government
• 237 Foreign relations
• 192 Relations
• 163 History and criticism
• 135 Bulgarian literature
• 129 Economic conditions
• 125 Civilization
• 121 Revolutionaries
• 109 Social life and customs
• 109 World War, 1939-1945
• 107 Intellectual life
• 100 Bulgarians
• 91 Antiquities
• 82 Economic policy
• 77 Statesmen
• 75 World War, 1914-1918
• 69 Folklore
• 65 Bŭlgarska komunisticheska partii︠a︡
• 64 Communism
• 58 Description and travel
• 56 Church history
• 56 Criticism
• 55 Communists
• 55 Turks

• 55 Institut za istorii︠a︡ (Bŭlgarska akademii︠a︡ na naukite)
• 34 Bulgaria
• 30 Bŭlgarska akademii︠a︡ na naukiti︠e︡
• 28 Zhivkov, Todor
• 25 Dimitrov, Georgi, 1882-1949
• 22 Dimitrov, Ilcho Ivanov
• 22 Kosev, Dimitŭr, 1903-1996
• 21 Khristov, Khristo Angelov
• 19 Angelov, Dimitŭr Simeonov
• 19 Dinekov, Petŭr, 1910-1992
• 18 Statelova, Elena Boi︠a︡nova
• 17 Dimitrov, Bozhidar, 1945-
• 17 Gi︠u︡zelev, Vasil
• 15 Arnaudov, Mikhail, 1878-1978
• 15 Bulgaria. T︠S︡entralno statistichesko upravlenie
• 15 Genchev, Nikolaĭ
• 15 Kumanov, Milen
• 15 Paisiĭ, Khilendarski, Hieromonk, 1722-1773
• 14 Stoi︠a︡nov, Zakhari, 1850-1889
• 13 Institut za folklor (Bŭlgarska akademii︠a︡ na naukite)
• 13 Jireček, Konstantin, 1854-1918
• 13 Oschlies, Wolf
• 12 Duĭchev, Ivan
• 12 Khadzhinikolov, Veselin
• 12 Kosev, Konstantin Dimitrov

• 2,920 Bulgarian
• 677 English
• 281 Russian
• 206 German
• 199 French
• 41 Turkish
• 23 Serbian
• 19 Macedonian
• 19 Polish
• 15 Church Slavic
• 15 Croatian
• 15 Romanian
• 13 Italian
• 12 Czech
• 10 Greek, Ancient (to 1453)
• 10 Multiple languages
• 8 Latin
• 7 Greek, Modern (1453-)
• 7 Spanish
• 7 Ukrainian
• 6 Slovak
• 4 Undetermined
• 3 Unknown
• 2 Chinese
• 2 Hungarian

• 110 Balkan Peninsula
• 98 Soviet Union
• 94 Europe
• 68 Turkey
• 66 Macedonia
• 57 Romania
• 54 Serbia
• 43 Bulgarie
• 43 Yugoslavia
• 39 Greece
• 36 Russia
• 29 Sofia
• 29 United States
• 27 Hungary
• 25 Great Britain
• 23 Europe, Eastern
• 23 Germany
• 22 Eastern Rumelia
• 21 Byzantine Empire
• 20 Bulgarien
• 20 North Macedonia
• 20 Poland
• 20 Sofia (Bulgaria)
• 19 Albania

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