Moses Maimonides' On Coitus was composed at the request of an unknown high-ranking official who asked for a regimen that would be easy to adhere to, and that would increase his sexual potency. The present edition by Gerrit Bos contains the original Arabic text, three medieval Hebrew translations, two Latin versions from the same translation (edited by Charles Burnett), and a Slavonic translation (edited by Will Ryan and Moshe Taube).

Maimonides’ On the Regimen of Health was composed at an unknown date at the request of al-Malik al-Afḍal Nūr al-Dīn Alī, Saladin’s eldest son who complained of constipation, indigestion, and depression. The treatise must have enjoyed great popularity in Jewish circles, as it was translated three times into Hebrew as far as we know; by Moses ben Samuel ibn Tibbon in the year 1244, by an anonymous translator, and by Zeraḥyah ben Isaac ben She’altiel Ḥen who was active as a translator in Rome between 1277 and 1291. The present edition by Gerrit Bos contains the original Arabic...

Hippocrates’ Aphorisms enjoyed great popularity in the ancient and medieval world and, according to Maimonides, it was Hippocrates’ most useful work as it contained aphorisms, which every physician should know by heart. They were translated into Hebrew several times, but it was Maimonides’ Commentary on Hippocrates’ Aphorisms that made the work influential in Jewish circles. For the composition of his commentary, Maimonides consulted the Aphorisms through the commentary by Galen, translated by Ḥunayn ibn Isḥāq. This edition of Maimonides’ Arabic commentary and its Hebrew...

As an important addition to the critical editions of the original Arabic text and medieval Hebrew translations of Maimonides’ Medical Aphorisms, Gerrit Bos offers an Arabic-Hebrew-English glossary of 5,600 technical terms and materia medica along with Hebrew indexes.