Author
American Federation of Labor
7
Communist Party of the United States of America
5
Hetherington, H. (Henry), 1792-1849
4
Norske arbeiderparti
4
Parti communiste français
4
Singapore National Trades Union Congress
4
Central Labor Union (Toledo, Ohio)
3
Industrial Workers of the World
3
Silver Bow Trades and Labor Assembly (Mont.)
3
AFL-CIO
2
American Federation of Musicians of the United States and Canada
2
Building and Construction Trades Council of Greater Kansas Cities and Metropolitan Area
2
Central Labor Union of Kansas City, Kansas
2
Dairy Farmers' Union
2
Freier Deutscher Gewerkschaftsbund
2
Knights of Labor
2
Liga Obrera de los Estados Unidos Mexicanos
2
Lum, Dyer D. (Dyer Daniel), 1840-1893
2
Metal Trades Council of Butte (Mont.)
2
Montana State Federation of Labor
2
Montana World War Veterans, Inc
2
National Caucus of Labor Committees (U.S.)
2
National Minority Movement (Great Britain)
2
Ncwana, S. M. Bennett
2
Parsons, Albert Richard, 1848-1887
2
Red International of Labor Unions. British Section
2
Reyes y Florentino, Isabelo de los, 1864-1938
2
Shop Stewards' and Workers' Committee Movement (Great Britain)
2
State Metal Trades Council (Mont.)
2
Union of Roum. Beneficial and Cultural Soc. of America
2
Union of Roumanian Beneficial Societies of America
2
Unión Obreros Municipales (Buenos Aires, Argentina)
2
Workers (Communist) Party of America
2
Workers League (U.S.)
2
Algemene Nederlandse Agrarische Bedrijfsbond
1
Algemene Nederlandse Landarbeidersbond
1
Amalgamated Association of Iron, Steel, and Tin Workers of North America
1
Amalgamated Association of Street, Electric Railway and Motor Coach Employees of America
1
Amalgamated Clothing Workers of America
1
Amalgamated Clothing and Textile Workers Union
1
Amalgamated Labour League (England)
1
Amalgamated Transit Union
1
American Federation of Musicians
1
American Labor Union
1
American Newspaper Guild
1
Asosiasi Perusahaan Jasa Tenaga Kerja Indonesia
1
Bakery, Confectionery, and Tobacco Workers International Union
1
Bradford and District Labour Union
1
Brotherhood of Locomotive Engineers (U.S.)
1
Brotherhood of Maintenance of Way Employees
1
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