Many researches were carried out to offer a definition of hermetic text.
To this aim, the original plan concieved by Paolo Lucentini (1987) and its update proposed by David Porreca and Antonella Sannino (2024) are attached.
The Liber institutionum activarum is the Latin translation, compiled in Spain in the thirteenth century, of an Arabic apocryphal Kitab al-nawamis drawn up perhaps by Abu Zayd Hunayn.
The Liber de virtutibus herbarum consists of a treatise about zodiacal signs and the seven planets, connected to medical plants, described by Jonathan Smith as "one of the most precious texts for an understanding of the religious life of Late Antiquity".