Liber in judiciis astrorum Language : Arabic 1 work version Author : ʿAlī Abū al-Ḥasan al-šaybānī Ibn Abī al-Riǧāl (09..-1040?) Works
Liber in laudem Mariae Virginis Language : Latin 1 work version Author : Pierre Damascène (11..?-11..?) Works
Liber interpretationis hebraicorum nominum Language : Latin 3 work versions Author : Jérôme (saint, 0345?-0420) Works
Liber introductorius Language : Arabic 1 work version Author : Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUṯmān al- Qabīṣī (09..- 0990) Works
Liberius quidam : Doctrina Medicae et Therapeuticae Artis 1 work version Author : Liberius quidam Works
Liber lapidis vitae philosophorum Language : Latin 1 work version Author : Arnaud de Villeneuve (1240?-1311) Works
Liber pandectarum medicinae Language : Latin 4 work versions Authors : Mattheus Moretus (14..-14..?) Matthieu Silvaticus (12..-1342?) Works
Liber Pantegni Language : Latin 31 work versions Authors : Constantin l'Africain (101.-1087?) ʿAlī ibn al-ʿAbbās al-Maǧūsī (0930?-0994?) Works
Liber peregrinationis Language : Latin 2 work versions Author : Ricard de Montcroix (1242?-1320) Works
Liber rationum super Chirurgiam Galeni Language : Latin 1 work version Authors : Bractinus de Pistorio (12..-13..) Rainerius de Barga (12..-13..) Works