Upphovsman
Southern Tenant Farmers' Union
4
National Farmers' Union (U.S.)
2
United Farmers' Protective Association
2
Communist Party of the United States of America
1
Farmers Union of the New York Milk Shed
1
Farmers' National Council (U.S.)
1
Farmers' National Headquarters (U.S.)
1
Farmers' National Legislative Council (U.S.)
1
Farmers' Non-Partisan League
1
Migratory Agricultural Worker's Union
1
National Agricultural Workers Union
1
National Farm Labor Union (U.S.)
1
National Farmers' Union (U.S.). Northeastern Division
1
Pennsylvania Farmers' Protective Association
1
Share Croppers Union
1
United Farmers of America
1