Author
Socialist Labor Party
9
Socialist Party (U.S.)
4
Arbeiterpartei für Stadt und Land (U.S.)
2
Local Erie Socialist Party
2
Socialistic Labor Party (U.S.)
2
Workingmen's Party of the United States
2
Greater Philadelphia Democratic Socialists of America
1
Industrial Workers of the World
1
Industrial Workers of the World. General Executive Board
1
Institute for Democratic Socialism (U.S.)
1
Social-Democratic Party of America
1