Las ciencias ocultas
| Publisher | Publicaciones Mundial |
| Imprint | Iimpresos Costa |
| Format | Paperback |
| Language | Spanish |
| Location | Barcelona, Spain |
| First Printing | 1920 |
| Pages / Font | 514 pages |
Added by Peio86
| Publisher | Publicaciones Mundial |
| Imprint | Iimpresos Costa |
| Format | Paperback |
| Language | Spanish |
| Location | Barcelona, Spain |
| First Printing | 1920 |
| Pages / Font | 514 pages |