Cicero, Marcus Tullius. On old age, and On friendship. [electronic resource] Translated, with an introd., by Frank O. Copley. - Ann Arbor, University of Michigan Press [1967] - xvi, 115 p. 21 cm. LCCN: 67011279 Subjects--Topical Terms: Old age--Early works to 1800.Friendship--Early works to 1800. LC Class. No.: PA6308.C2 / C58 Dewey Class. No.: 301.43/5