Kuczynski, J. (1939). The condition of the workers in Great Britain, Germany and the Soviet Union, 1932-1938 (Left Book Club ed.). V. Gollancz.

Kuczynski, Jurgen. The Condition of the Workers in Great Britain, Germany and the Soviet Union, 1932-1938. Left Book Club ed. London: V. Gollancz, 1939.

Kuczynski, Jurgen. The Condition of the Workers in Great Britain, Germany and the Soviet Union, 1932-1938. Left Book Club ed. V. Gollancz, 1939.