Preface.--Introducton, by E. N. Adler.--Philo, by N. Bentwich.--Saadiah, by M. Simon.--Maimonides, by the Rev. H. S. Lewis.--Jewish codes a nd codifiers, by Dr. S. Daiches.--Aristotle a nd medieval Jewish thought, by Dr. A. Wolf.--Jewish mysticism, by H. Sperling.--The Jewish new learning of the nineteenth century, by M. H. Segal.--Index