Bibliothecae Apostolicae Vaticanae : Incunabola / ed. by William J. Sheehan. (Biblioteca Apostolica Vaticana, 1997)
Include bibliografia ed indici.
v. 1A-C. -- v. 2 D-O. -- v. 3 P-Z. -- v. 4 Index of printers, concordances, bibliography.