Columbia subject headings:
Cicero, Marcus Tullius--Criticism, Textual.
Cicero, Marcus Tullius. Tusculanae disputationes.
Harvard subject headings:
Cicero, Marcus Tullius--Criticism, Textual.
Cicero, Marcus Tullius. Tusculanae disputationes.
Princeton subject headings:
Cicero, Marcus Tullius. Tusculanae disputationes.