Slobodin, H. L., & Williams, A. R. (1919). Questions on the Bolsheviks and the Soviets which Albert Rhys Williams failed to answer and the answers. New York: American Labor World.

Slobodin, Henry L., and Albert Rhys Williams. Questions On the Bolsheviks and the Soviets Which Albert Rhys Williams Failed to Answer and the Answers. New York: American Labor World, 1919.

Slobodin, Henry L., and Albert Rhys Williams. Questions On the Bolsheviks and the Soviets Which Albert Rhys Williams Failed to Answer and the Answers. New York: American Labor World, 1919.