Es reseña de:
Marx and the Marxists: the ambiguous legacy
Sidney Hook
Princeton : Van Nostrand co., , 1955
Marx et marxisme
André Piettre
Paris : Presses Universitaire, 1957
Marxism. The unity of theory and practice. A critical essay
Alfred G. Meyer
Cambridge : Harvard University Press, 1954
Karl Marx. Selected writings in sociology and social philosophy
T.B. Bottomore, Maximilien Rubel
London : Watts and co, 1956