Kohl 1983 writes that Conti arrived in Padua in January 1339 "for a stay of three years" and returned to Avignon "at the beginning of 1343". Zacour 1973, p. 66, writes that he was back in Avignonese service by 1342. Kohl, Benhamin G. (1983). "Conti, Ildebrandino". Dizionario Biografico degli Italiani, Volume 28: Conforto–Cordero (in Italian). Rome: Istituto dell'Enciclopedia Italiana. ISBN978-8-81200032-6. Zacour, Norman P., ed. (1973). Petrarch's Book Without a Name: A Translation of the Liber Sine Nomine. Pontifical Institute of Mediaeval Studies.