Letters and Treatises of Cicero and Pliny

Compiled and Edited by Charles W. Eliot LL D in 1909, the Harvard Classics is a 51-volume Anthology of classic literature from throughout the history of western civilization. The set is sometimes called "Eliot's Five-Foot Shelf."Volume 9 contains several works/collections:From Marcus Tullius Cicero:On FriendshipOn Old Agea collection of lettersFrom Gaius Plinius Caecilius Secundus (also known as Pliny the Younger):a collection of lettersCorrespondence between Pliny and Emperor Trajan