Liber regalis Language : Arabic 2 work versions Author : ʿAlī ibn al-ʿAbbās al-Maǧūsī (0930?-0994?) Works
Liber secretorum (Inc.: Dixit Ipocras cum in somnis apparet apostema nigrum in posteriori parte) Language : Arabic 2 work versions Author : Muḥammad ibn Zakarīyā Abū Bakr al- Rāzī (0864?-0925?) Works
Liber secretorum practice medicine Language : Latin 1 work version Author : Johannes Jacobi (13..-1384?) Works
Liber servitoris Language : Arabic 8 work versions Author : H̱alaf ibn ʿAbbās Abū al-Qāsim al-Zahrāwī (0936?-1013?) Works
Liber sex principiorum Language : Latin 4 work versions Authors : Gilbert de la Porrée (107.?-1154) Pseudo-Gilbertus Porretanus Works
Liber subtilitatum diversarum naturarum creaturarum Language : Latin 1 work version Author : Hildegarde (sainte, 1098-1179) Works
Libertates per principes delphinos Viennenses Delphinalibus subditis concessae Language : Latin 1 work version Works
Liber testimoniorum Veteris Testamenti Language : Latin 3 work versions Author : Patère (saint) Works
Libri ecclesiasticorum dogmatum Language : Latin 1 work version Author : Bracharius (06..-0681) Works
Libri feudorum Language : Latin 3 work versions Author : Justinien Ier (empereur de Byzance, 0482-0565) Works
Libro chiamato Ambizione Language : Italian 1 work version Author : Sebastiano Foresi (1424-1488) Works
Libro de componere herbe et fructi Language : Italian 1 work version Author : Giovanni Cadamosto Works
Libro de la montería Language : Spanish 2 work versions Author : Alphonse XI (roi de Castille et de León, 1311-1350) Works
Libro de menescalcia et de albeyteria Language : Spanish 1 work version Author : Juan Álvarez de Salamiella Works
Libro di governare astori e sparvieri Language : Italian 1 work version Author : Jacomellus Veturus Trugurinus Works
Licinia Eudoxia (0422?-0493?) : Epistula ad Theodosium 1 work version Author : Licinia Eudoxia (0422?-0493?) Works
Lima quaedam Laurentii Vallensis Language : Latin 1 work version Author : Antonio Mancinelli (1451-1505) Works
L’instruction et consolation de la vie contemplative Language : French 1 work version Author : Olivier Maillard (1430-1502) Works