1. The missing chapter in American cinema: independent social and political films of the Thirties - final program of films Record type: document Document type: press release Publication date: 5/13/1973 Document source: Berkeley Art Museum/Pacific Film Archive Number of pages: 2 Related films: Bonus March — Workers' Film & Photo League — United States — 1932The Ford massacre — Workers' Film & Photo League — United States — 1932United action — No director known — United States — 1932Millions of us — No director known — United States — 1934China strikes back — Frontier Films (New York, N.Y.) — United States — 1937People of the Cumberland — Meyers, Sidney; Leyda, Jay; Kazan, Elia — United States — 1937