• 141 Memorial Library
• 76 Wisconsin Historical Society Library
• 69 Temporary Relocation Library
• 67 Law Library
• 27 Verona Shelving Facility
• 5 Wisconsin Historical Society Archives
• 4 Steenbock Library
• 2 MERIT Library
• 1 Geology and Geophysics Library (Leith)
• 1 Science Libraries Shelving Facility
• 1 Social Work Library (Franks)
• 1 Special Collections (Memorial Library)
• 1 WHS State Archives Preservation Facility

• 297 Books
• 21 Manuscripts, Theses
• 10 Journals, Magazines, Newspapers
• 7 Mixed Materials
• 2 Photos, Drawings, Prints
• 1 Videos, Slides, Films

• 62 History
• 44 Foreign relations
• 31 Politics and government
• 30 Railroads
• 21 Description and travel
• 21 Drug traffic
• 20 Drug control
• 15 Boundaries
• 14 Commerce
• 14 Foreign economic relations
• 13 Border security
• 12 Prevention
• 10 Catholic Church
• 10 Finance
• 10 Free trade
• 10 International cooperation
• 10 Organized crime
• 9 Social conditions
• 8 Government policy
• 8 Indians of Mexico
• 8 Missions
• 8 Zapotec Indians
• 7 Economic aspects
• 7 Law and legislation
• 7 Ship-railroads

• 17 United States
• 12 Mexico. Dirección General de Estadística
• 9 United States. Department of State
• 8 Library of Congress. Congressional Research Service
• 8 United States. General Accounting Office
• 5 Trump, Donald, 1946-
• 5 United States. Congress. Senate. Committee on Foreign Relations
• 5 United States. President (2017-2021 : Trump)
• 4 Gage, Thomas, 1603?-1656
• 4 United States. Congress. House. Committee on Foreign Affairs
• 4 United States. Congress. House. Committee on Foreign Affairs. Subcommittee on the Western Hemisphere (2007- )
• 3 Mexican Central Railway Co
• 3 Mexico. Secretaría de Fomento, Colonización e Industria
• 3 O'Shaughnessy, Edith, 1870-1939
• 3 Saeger, Mark L
• 3 Science Applications International Corporation
• 3 Texas, Topolobampo & Pacific Railroad and Telegraph Company
• 3 U.S.-México Border Information Center on Air Pollution
• 3 United States. Congress. House. Committee on Foreign Affairs. Subcommittee on the Western Hemisphere
• 3 United States. Congress. House. Committee on Homeland Security. Subcommittee on Oversight, Investigations, and Management
• 3 United States. Congress. House. Committee on Ways and Means
• 3 United States. Congress. Senate. Committee on Finance
• 3 United States. National Archives and Records Service
• 3 Villarreal, M. Angeles
• 3 Wertman, Patricia A

• 242 English
• 98 Spanish
• 5 French
• 3 German
• 1 Greek, Modern (1453-)
• 1 Latin
• 1 Norwegian

• 117 United States
• 25 Mexican-American Border Region
• 22 Mexique
• 19 Spain
• 14 Canada
• 14 Texas
• 11 Mexico City
• 9 Central America
• 9 États-Unis
• 7 Latin America
• 7 Mexico City (Mexico)
• 7 Oaxaca Valley
• 7 Tehuantepec, Isthmus of
• 5 California
• 5 North America
• 4 Oaxaca Valley (Mexico)
• 4 Yucatán (State)
• 3 America
• 3 Caribbean Area
• 3 Ciudad Juárez
• 3 Mexico, Gulf of
• 3 México
• 3 Oaxaca (Mexico : State)
• 3 Sonora (State)

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