• 26 Wisconsin Historical Society Library
• 3 Wisconsin Historical Society Archives
• 1 Special Collections (Memorial Library)
• 1 Verona Shelving Facility

• 28 Journals, Magazines, Newspapers

• 11 Labor unions
• 6 Labor
• 4 American newspapers
• 3 Labor movement
• 2 German Americans
• 2 Germans
• 2 Industrial relations
• 1 African Americans
• 1 Carpatho-Rusyn Americans
• 1 Carpatho-Rusyns
• 1 Church and social problems
• 1 Coal miners
• 1 History
• 1 Miners
• 1 Presbyterian Church
• 1 Presbyterians
• 1 Ruthenians
• 1 Ukrainian Americans
• 1 Ukrainians
• 1 Working class

• 2 Erie Industrial Union Council
• 1 Allegheny County Industrial Union
• 1 Amalgamated Association of Iron, Steel, and Tin Workers of North America
• 1 American Federation of Labor
• 1 Atkinson, Samuel Coate
• 1 Bradford Trades Assembly (Pa.)
• 1 Central Labor Union of Pittston (Pa.)
• 1 Dennie, Joseph, 1768-1812
• 1 Dickins, Asbury, 1780-1861
• 1 Federated Trades Council (Reading, Pa.)
• 1 Industrial Republic (Organization)
• 1 Miners' P. & P. Association
• 1 National Council of the Churches of Christ in the United States of America
• 1 Providence Association of Ukrainian Catholics in America
• 1 Socialist Labor Party of Philadelphia (Pa.)
• 1 United Labor League (Philadelphia, Pa.)
• 1 United Mine Workers of America
• 1 United Presbyterian Church in the U.S.A
• 1 United Sons of Vulcan
• 1 Window Glass Artsman's National Association of North America

• 28 English
• 2 German
• 1 Ukrainian

• 12 Philadelphia (Pa.)
• 10 Philadelphia
• 8 Pennsylvanie
• 4 Philadelphia County (Pa.)
• 4 Reading (Pa.)
• 3 Philadelphia County
• 3 Reading
• 2 Erie
• 2 Pittsburgh
• 2 United States
• 1 Allegheny County (Pa.)
• 1 Bradford
• 1 East Pittsburgh
• 1 East Pittsburgh (Pa.)
• 1 Essex County
• 1 Essex County (N.J.)
• 1 Montclair
• 1 Montclair (N.J.)
• 1 New Jersey
• 1 New York
• 1 New York (N.Y.)
• 1 New York (State)
• 1 Philadelphie
• 1 Pittsburgh (Pa.)

Limit year range