Columbia subject headings:
Ibn Gabirol, active 11th century.
Jewish philosophy.
Psychology--History.
Harvard subject headings:
Ibn Daud, Abraham ben David, Halevi, approximately 1110-approximately 1180.
Ibn Gabirol, active 11th century.
Jewish philosophy.
Joseph ben Zaddik, active 15th century.
Psychology--History
Saʻadia ben Joseph, 882-942
Princeton subject headings:
Ibn Daud, Abraham ben David, Halevi, approximately 1110-approximately 1180.
Ibn Gabirol, active 11th century.
Jewish philosophy.
Psychology--History.
Saʻadia ben Joseph, 882-942.
Ẓaddik, Joseph ben Jacob Ibn, 1075-1149.