Auteur
Singapore National Trades Union Congress
4
Silver Bow Trades and Labor Assembly (Mont.)
3
American Federation of Labor
2
Clases Productoras (Society)
2
Club Obrero Liberal "Unión, Trabajo y Justicia."
2
Confédération générale du travail
2
Gran Partido Nacional Obrero (Mexico)
2
Metal Trades Council of Butte (Mont.)
2
Montana State Federation of Labor
2
Montana World War Veterans, Inc
2
National Minority Movement (Great Britain)
2
Partido Socialista Radical. Liga Central de Resistencia
2
Red International of Labor Unions. British Section
2
Sociedad Cooperativa "La Acción Católico-Social Sancristobalense."
2
State Metal Trades Council (Mont.)
2
Centralna Rada Związków Zawodowych w Polsce
1
Clyde Workers' Committee
1
Gran Círculo Nacional de Obreros (Mexico)
1
Parti ouvrier français
1
Partido dos Trabalhadores (Brazil). Diretório Nacional
1
Red International of Labor Unions
1
Red International of Labor Unions. British Bureau
1
Russian Trades Union of the United States of America and Canada. Directorate
1
Scottish Workers' Committees
1
Shop Stewards' and Workers' Committee Movement (Great Britain)
1
Slovenská robotnícka socialistická federácia v Amerike
1
Slovenská socialistická strana v Amerike
1
Socialist Labor Party
1
Socialist Trade and Labor Alliance
1
Sovet rabochikh g. Leningrada (Sankt-Peterburga)
1
Spartacist League (Great Britain)
1
United Hebrew Trades
1
Unión Nacional de Trabajadores Libres en Exílio
1
Workers Party of America
1