The Young People's Socialist League (YPSL), founded in 1907, was the official youth arm of the Socialist Party of America. Its political activities tend to concentrate on increasing the voter turnout of young democratic socialists and social democrats affecting the issues impacting that demographic group.
YPSL pinback from the 1930s, featuring the Socialist Party's traditional hand-and-torch logo.
The Socialist Party of America (SPA) was a socialist political party in the United States formed in 1901 by a merger between the three-year-old Social Democratic Party of America and disaffected elements of the Socialist Labor Party of America who had split from the main organization in 1899.
Election poster for Eugene V. Debs, Socialist Party of America candidate for President, 1904
Debs was the founding member of the Socialist Party of America.
Executive Secretary Adolph Germer was one of top five Socialist of America leaders prosecuted by the Department of Justice in 1919.
Alfred Wagenknecht, top leader of the 1919 Left Wing Section of the Socialist Party