Author
Industrial Workers of the World
10
National Council for Protection of Foreign Born Workers (U.S.)
4
Rudquistová, Edith
4
Carey, Henry Charles, 1793-1879
3
Congress of Industrial Organizations (U.S.). Constitutional Convention
3
Hoerder, Dirk
3
Levine, Bruce C., 1949-
3
Pennsylvania Historical and Museum Commission
3
Walaszek, Adam
3
American Federation of Labor. Convention
2
American Federation of Labor. Metal Trades Department
2
Anastasoff, Christ, 1898-
2
Barrett, James R., 1950-
2
Bimba, Anthony
2
Butler, Elizabeth Beardsley
2
Cahan, Abraham, 1860-1951
2
Chicago Project (Universität München)
2
Commons, John R. 1862-1945
2
Cooper, Patricia Ann, 1949-
2
Crowley, John E., 1943-
2
Crowther, Samuel, 1880-1947
2
Debouzy, Marianne
2
Federazione Italiana del Partito Socialista d'America
2
Feiler, Arthur, 1879-1942,
2
Fitzhugh, George, 1806-1881
2
Harris, Howard
2
Holovat︠s︡kyĭ, Vasylʹ K.
2
International Workers Order Slovak Section
2
Jentz, John B., 1944-
2
Karpavičius, Kazimieras S.
2
Keil, Hartmut, 1942-
2
Kolb, Alfred
2
Kudlik, Sándor,
2
Licht, Walter, 1946-
2
London, Jack, 1876-1916
2
National Center for Urban Ethnic Affairs
2
Obrana Publishing Association
2
Paul Avrich Collection (Library of Congress)
2
Pennsylvania Labor History Society
2
Petković, Andreja, 1837-
2
Polish American Labor Council
2
Polish Socialist Alliance
2
Polish Workmen's Aid Fund
2
Seder, Jean, 1922-
2
Sundstén, Taru
2
Syrjälä, F. J.
2
Ṿaynshṭeyn, B., 1866-1946
2
Webb, John N., 1899-
2
Workers Music League
2
AFL-CIO. Committee on the Evolution of Work
1
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