• 61 Law Library
• 25 Wisconsin Historical Society Library
• 10 WHS State Archives Preservation Facility
• 5 Verona Shelving Facility
• 3 College Library
• 1 Ebling Library
• 1 Social Work Library (Franks)

• 111 Mafia
• 83 History
• 74 Drug traffic
• 50 Political corruption
• 49 Politics and government
• 47 Prevention
• 41 Criminals
• 36 Crime
• 32 Transnational crime
• 30 Social conditions
• 28 Drug control
• 23 Economic aspects
• 23 Gangsters
• 19 Gangs
• 18 Corrupt practices
• 17 Political aspects
• 16 Money laundering
• 15 International cooperation
• 15 Violence
• 13 Murder
• 13 Organized crime investigation
• 12 Corruption
• 12 Drug dealers
• 12 Economic conditions

• 13 United States. President's Commission on Organized Crime
• 6 Puzo, Mario, 1920-1999
• 5 Konstantinov, Andreĭ
• 5 Library of Congress. Congressional Research Service
• 4 Arlacchi, Pino, 1951-
• 4 Santino, Umberto
• 4 United States. Congress. Commission on Security and Cooperation in Europe
• 4 Violante, Luciano
• 4 Williams, Phil, 1948-
• 3 Allum, Felia, 1971-
• 3 Astorga Almanza, Luis Alejandro
• 3 Australian National University. Strategic and Defence Studies Centre
• 3 Ciconte, Enzo, 1947-
• 3 Council of Europe. Octopus Programme
• 3 Cressey, Donald R. (Donald Ray), 1919-1987
• 3 Kaplan, David E., 1955-
• 3 Latta, Anthony, 1981-
• 3 Lodato, Saverio, 1951-
• 3 Messick, Hank
• 3 New York State Organized Crime Task Force
• 3 Suriyan Sakthaisong
• 3 United Nations Office on Drugs and Crime
• 3 Varese, Federico
• 2 Agravāla, Viveka
• 2 Army War College (U.S.). Strategic Studies Institute

• 326 English
• 96 Spanish
• 87 Italian
• 41 Russian
• 21 French
• 16 German
• 15 Portuguese
• 9 Chinese
• 8 Thai
• 4 Japanese
• 2 Hindi
• 2 Indonesian
• 2 Marathi
• 2 Turkish
• 1 Hebrew
• 1 Polish
• 1 Romanian
• 1 Serbian
• 1 Slovak
• 1 Ukrainian
• 1 Unknown
• 1 Urdu
• 1 Vietnamese

• 98 United States
• 91 Italy
• 45 Mexico
• 45 Russia (Federation)
• 31 Colombia
• 19 Brazil
• 19 England
• 17 Sicily
• 16 Europe
• 15 New York
• 15 New York (State)
• 13 London
• 13 New York (N.Y.)
• 12 China
• 12 Japan
• 12 Latin America
• 11 India
• 10 Soviet Union
• 9 Cuba
• 9 Italy, Southern
• 9 Mexique
• 9 South Africa
• 8 Germany
• 8 Thailand
• 7 Asia

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