Carta Sobre O Humanismo
| Publisher | Guimarães Editores |
| Translated by | Arnaldo Stein |
| Revised by | Pinharanda Gomes |
| Preface by | António José Brandão |
| Copyright Holder | Francke Verlag |
| Series | Filosofia e Ensaios |
| Bound by | Guimarães Editores |
| Printed by | Tipografia Guerra |
| Format | Soft cover |
| Language | Portuguese |
| Location | Lisbon |
| Printed | 1998 |
| Pages / Font | 102 pages |
| ISBN | 972-665-036-4 |
| DL (Portuguese) | 121204/98 |
| Barcode | 9789726650362 |
| Edition No. | 5.ª |
Added by Xavier.Rafael