Biology and Human Behavior
New York: Tomorrow Publishers, 1936. 8vo. Cloth. 413 p. Left-wing tract containing material on biology in the Soviet Union. [34529]
New York: Tomorrow Publishers, 1936. 8vo. Cloth. 413 p. Left-wing tract containing material on biology in the Soviet Union. [34529]
New York: Tomorrow Publishers, 1935. 8vo. Cloth. 127 p. Promoted by the publisher as a "Scientific Smash Hit against Hitlerism!!" [35088]
New York: Tomorrow Publishers, 1935. 8vo. Wraps. 127 p. Promoted by the publisher as a "Scientific Smash Hit against Hitlerism!!" [35089]