Columbia subject headings:
Harvard subject headings:
Abū al-ʻAlāʼ al-Maʻarrī, 973-1057--Ethics.
Ethics, Medieval
Ethics, Modern
Philosophy, Medieval
Philosophy, Modern
Schopenhauer, Arthur, 1788-1860--Ethics.
Princeton subject headings:
Abū al-ʻAlāʼ al-Maʻarrī, 973-1057--Ethics.
Ethics, Medieval.
Ethics, Modern.
Schopenhauer, Arthur, 1788-1860--Ethics.