• 4 WHS State Archives Preservation Facility
• 2 Wisconsin Historical Society Archives

• 70 Journals, Magazines, Newspapers
• 22 Microforms
• 2 Books

• 12 Germans
• 12 Labor unions
• 11 African Americans
• 11 German Americans
• 5 American newspapers
• 5 Labor
• 5 Underground press publications
• 4 Italian Americans
• 3 Labor movement
• 3 Socialism
• 2 African American newspapers
• 2 Carpatho-Rusyns
• 2 History
• 2 Industrial relations
• 2 Polish Americans
• 2 Polish people
• 2 Radicalism
• 2 Ruthenians
• 2 Working class
• 1 Amusements
• 1 Anarchism
• 1 Asian Americans
• 1 Carpatho-Rusyn Americans
• 1 Chinese
• 1 Coal miners

• 2 Erie Industrial Union Council
• 2 Schneider, Jacob, active 1796-1800
• 1 Albrecht, Johann, 1745-1806
• 1 Allegheny County Industrial Union
• 1 Allegheny County Socialist Party
• 1 Amalgamated Association of Iron, Steel, and Tin Workers of North America
• 1 American Federation of Labor
• 1 Bradford Trades Assembly (Pa.)
• 1 Bruckmann, Carl Augustus, 1792-1828
• 1 Central Labor Union of Pittston (Pa.)
• 1 Federated Trades Council (Reading, Pa.)
• 1 Fray, Robert G
• 1 Gerrish, George
• 1 Industrial Republic (Organization)
• 1 Kessler, Carl August, 1769?-1823
• 1 Lahn, Jacob, 1747?-1801
• 1 Lancaster County Peace and Freedom Organizing Committee
• 1 Lehigh Valley Black Interest Coalition (Pa.)
• 1 McCray, Kathleen
• 1 Miners' P. & P. Association
• 1 Order Sons of Italy in America. Grand Lodge of Pennsylvania
• 1 Providence Association of Ukrainian Catholics in America
• 1 Ritter, John, 1779-1851
• 1 Socialist Labor Party of Philadelphia (Pa.)
• 1 Soedinenīe russkikh pravoslavnykh bratstv v Ameriki︠e︡

• 61 English
• 15 German
• 4 Italian
• 2 Polish
• 2 Russian
• 1 Chinese
• 1 Lithuanian
• 1 Ukrainian
• 1 Yiddish

• 16 Philadelphia
• 15 Philadelphia (Pa.)
• 11 Pittsburgh (Pa.)
• 7 Pittsburgh
• 7 Reading (Pa.)
• 5 Reading
• 5 United States
• 4 Philadelphia County (Pa.)
• 3 Allegheny County (Pa.)
• 2 Berks County (Pa.)
• 2 Erie
• 2 Italy
• 2 Lancaster (Pa.)
• 2 Lancaster County (Pa.)
• 2 Lehigh River Valley
• 2 Lehigh River Valley (Pa.)
• 1 Bethlehem
• 1 Bethlehem (Pa.)
• 1 Bradford
• 1 Carlisle (Pa.)
• 1 Cumberland County (Pa.)
• 1 East Pittsburgh
• 1 East Pittsburgh (Pa.)
• 1 Harrisburg

• 3 Periodicals
• 2 Periodical
• 2 newspapers
• 1 Abstracts
• 1 Genealogy
• 1 Student protest literature

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