Henryk Katz, "A History of socialist thought. T. I: Socialist thought - the forerunners 1789-1850", G. D. H. Cole, London 1953, T. II: "Marxism and anarchism 1850-1890", G. D. H. Cole, London 1954 : [recenzja] , Przegląd Historyczny, 1958, 49, 3, s. 613-618