Title: American socialist triptych
Subjects: Socialism and literature, Socialism, Political and social views, History, Gilman, charlotte perkins, 1860-1935, Sinclair, upton, 1878-1968, Du bois, w. e. b. (william edward burghardt), 1868-1963, Socialism, united states
Places: United States
People: Charlotte Perkins Gilman (1860-1935), W. E. B. Du Bois (1868-1963), Upton Sinclair (1878-1968)
Time periods: 20th century, 19th century