Humanismo Socialista
| Editor | Erich Fromm |
| Introduction by | Erich Fromm |
| Publisher | Edições 70 |
| Contributing Writer | Velko Korác, Ivan Sviták, Bogdan Suchodolski, Lucien Goldmann, Léopold Senghor, Mihailo Markovié, Herbert Marcuse, Eugene Kamenka, Umberto Cerroni, Adam Schaff, Milan Prucha, Karel Kosík, Marek Fritzhand, Bronislaw Baczko, Maximilien Rubel, Ernst Bloch, Erich Fromm, Iring Fetscher, Gajo Petrovié, Rudi Supek, Predrag Vranicki, Oskar Schatz, Ernst Florian Winter, Mathilde Niel, Norman Thomas, Wolfgang Abendroth, Richard M. Timuss, Tom Bottomore, Galvano Della Volpe |
| Copyright Holder (Original Edition) | Doubleday & Company, Inc. |
| Translated by | Artur Morão |
| Printed by | Tipografia Lousanense, Lda |
| Cover/Jacket Design by | João da Câmara Leme |
| Publisher Series | Biblioteca 70 |
| Format | Paperback |
| Language | Portuguese |
| Location | Portugal |
| Printed | 1976-04 |
| Pages / Font | 452 pages |
| Series Number | 25 |
Added by Xavier.Rafael