TY - GEN A1 - Fromm, Erich T1 - Introduction, in 1968b: Erich Fromm and Ramón Xirau (Eds.): The Nature of Man. Readings selected, edited and furnished with an introduction by Erich Fromm and Ramón Xirau, New York (Macmillan) 1968, pp. 3-24. Y1 - 1968 ER - TY - GEN A1 - Fromm, Erich T1 - Introduction T2 - The Nature of Man (1968b-001), New York (Macmillan Paperbacks) 1968. Y1 - 1968 ER - TY - GEN A1 - Fromm, Erich T1 - Einleitung T2 - Gesamtausgabe IX, pp. 375-391. Y1 - 1968 ER - TY - GEN A1 - Fromm, Erich T1 - Editorial (English version as typescript for publication in >Revista<, March 1968, 4 pp.) Y1 - 1968 ER - TY - GEN A1 - Fromm, Erich T1 - Editorial T2 - Revista de Psicoanálisis, Psiquiatría y Psicología, México, No. 9 (1968), pp. 3f. Y1 - 1968 ER -