Columbia subject headings:
Harvard subject headings:
Philosophy, Ancient.
Seneca, Lucius Annaeus, approximately 4 B.C.-65 A.D. De vita beata.
Princeton subject headings:
Seneca, Lucius Annaeus, approximately 4 B.C.-65 A.D. De vita beata.
Seneca, Lucius Annaeus, approximately 4 B.C.-65 A.D.--Philosophy.