Panfletos do United Workers Party of America (1934-1937)

Bolshevism or Communism: On the Question of a New Communist Party and the “Fourth” International. – Chicago: United Workers Party of America, 1934.

World-Wide Fascism or World Revolution, Chicago, March 1934, 26 p.

What next for the American Workers?. – Chicago: United Workers Party, 1934. – 29 p.

The Inevitability of Communism, 1935.