A History of Mediaeval Jewish Philosophy

by Isaac Husik

Jeshua ben Judah

Martin Schreiner, Studien über Jeschuʿa ben Jehuda, Berlin, 1900.

Solomon ibn Gabirol

S. Munk, Mélanges, etc., Paris, 1859, pp. 151-306.

Seyerlen, in Zeller's Theologische Jahrbücher, vols. XV and XVI.

Jacob Guttmann, Die Philosophie des Salomon ibn Gabirol, Göttingen, 1889.

David Kaufmann, Studien über Salomon ibn Gabirol, Budapest, 1899.

Bahya ibn Pakuda

David Kaufmann, "Die Theologie des Bachja Ibn Pakuda," in "Gesammelte Schriften von David Kaufmann " (ed. Brann), vol. II, Frankfurt a. M., 1910, pp. 1-98.

J. H. Hertz, Bachya, The Jewish Thomas à Kempis, New York, 1898 (in Sixth Biennial Report of the Jewish Theological Seminary Association).