File:Deleon-daniel-smoking-sm.jpg

Summary
Daniel DeLeon (1852-1914), intellectual leader of the Socialist Labor Party Photograph circa 1910. First published in Socialist Labor Party Golden Jubilee, 1890-1940. New York: Socialist Labor Party of America, 1940; p. 11.

Published in USA between 1924 and 1978 with no notice of copyright in first publication, public domain.

Digitization and digital editing by Tim Davenport ("Carrite") for Wikipedia. No copyright claimed for the work, file released to the public domain without restriction.