VARIOS AUTORES: A Catalogue of Canon and Roman Law Manuscripts in the Vatican Library compiled at the Institute of Medieval Canon Law under the direction of Stephan Kuttner, with the aid of the Deutsches Historisches Institut (Rom) under the direction of Einhard Elze (Studi e Testi 322; Città del Vaticano, Biblioteca Apostolica Vaticana, 1986) XXXIV- 334 págs.