Ocyor.—II, 652.—Lucain, V, 405.
Odi homines.—I, 206.—Pacuvius, ap. Gallium, XIII, 8.
Offendor.—III, 230.—Martial, 7, 6.
Officii.—II, 460.—Source inconnue.
Ogni medaglia.—III, 544.—Proverbe italien.
Ole quid.—III, 462.—Martial, VII, 9, 1.
Olim jam.—II, 588.—Sénèque, Epist. 77.
Omne adeo.—III, 214.—Virgile, Georg., III, 244.
Omne magnum.—II, 540.—Tacite, Ann., XIV, 44.
Omnem credo.—I, 116.—Horace, Epist., I, 4, 13.