Columbia subject headings:
Jewish philosophy.
Judah, ha-Levi, active 12th century.
Philo, of Alexandria.
Saʻadia ben Joseph, 882-942.
Harvard subject headings:
Jewish philosophy.
Judah, ha-Levi, active 12th century.
Philo, of Alexandria
Saʻadia ben Joseph, 882-942
Princeton subject headings:
Jewish philosophy.
Judah, ha-Levi, active 12th century.
Philo, of Alexandria
Saʻadia ben Joseph, 882-942.