Historical information, undated

This collection contains one box of stamps, stickers, labels, cards, and other ephemera produced by socialist and communist organizations and labor unions in the United States, 1890-1940. The bulk of the materials are stamps. Many materials were part of specific campaigns, including boycotts, fundraisers, and strikes. Unions and organizations represented include the Industrial Workers of the World, the International Labor Defense, the International Workers Order, the Continental Congress of Workers and Farmers, the League Against Yellow Journalism, the Bonus Expeditionary Force, the American Federation of Musicians, the Bakery and Confection Workers International of America, the Brewery Workmen's National Union, the Filling Station Employees Union, the International Hod Carriers, the United Cloth and Hat Makers, the Western Federation of Miners, and the Metal Polishers, Buffers, Platers and Brass Workers Union.