De secretis naturae
| Book name | Sacri Doctoris Raymundi Lulli de secretis naturae sive the quinta essentia Libellus |
| Book short name | De secretis naturae |
| Author | Pseudo-Lull |
| Year of publication | 1518 |
| Publication place | Augsburg |
| Source od file | MDZ |
| Origin of copy | MBS |
| Genres | treatise |
| Subjects | alchemy , medicine |