ISBN 1599100045 books & textbook
Letters on Old Age (Rerum Senilium Libri): Vol. 1: Books I-IX
Petrarch, Francesco Bernardo, Reta A. Levin, Saul Bernardo, Aldo S.
Italica Press /2008-09-29 Paperback / 368 Pages
isbn-10: 1599100045 / isbn-13: 9781599100043
