Columbia subject headings:
Harvard subject headings:
Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-jiddīyah.
Princeton subject headings:
Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 4-1071. Risālah al-jiddīyah.