Princípios da Filosofia
| Publisher | Guimarães Editores |
| Translated by | Alberto Ferreira |
| Publisher Series | Filosofia e Ensaios |
| Printed by | Oficinas de Guimarães Editores (Imprensa Lucas & C.ª Lda) |
| Format | Paperback |
| Language | Portuguese |
| Location | Lisbon, Portugal |
| Printed | 1960-03 |
| Pages / Font | 136 pages |
Added by Xavier.Rafael