Judah Messer Leon's Commentary On the "Vetus Logica,"

History of Mediaeval Jewish Philosophy

Matter and Form in Aristotle

History of Mediaeval Jewish Philosophy Volume 2

Judah Messer Leon's Commentary on the Vetus Logica,

History of Mediaeval Jewish Philosophy

A History of Medieval Jewish Philosophy

Judah Messer Leon's Commentary on the Vetus Logica - with a Glossary of Hebrew Logical and Philosophical Terms