Fontes Series III: Vol.XII: Acta Gregorii P.P.XI (1370-1378) /
Fontes Series III: Vol.XII: Acta Gregorii P.P.XI (1370-1378) / [Italian] - Vatican : Pontifical Commission for the Codification of Oriental Canon Law; 1966. - 530 p. ; - Fontes ; 3.12 .
includes index and biblioraphy
G22 / C648