Hale-Bopp: La Cometa del Secolo. The Comet of the Century.
Hardcover, Cortina, Italy: Edizioni La Cooperativa di Cortina, 1997. Very Good with no dust jacket.
Hardcover, Cortina, Italy: Edizioni La Cooperativa di Cortina, 1997. Very Good with no dust jacket.
Softcover, Assisi: Tipografia Porziuncola, 1971. Very Good with no dust jacket.
Hardcover, Milano: Camunia, 1988. Very Good with no dust jacket.
Hard Cover, Milano: Rizzoli Editore, 1971. Very Good in Very Good dust jacket.
Softcover, Carrara, Italy: Società Editrice Apuana, 1988. Good with no dust jacket.
Softcover, Pisa: Fabrizio Serrra Editore, 2007. Fine with no dust jacket.
Hardcover, New York: G. Schirmer, 1920. Fair with no dust jacket.
Hardcover, Verona: Arnoldo Mondadori Editore, 1970. First Edition. Very Good with no dust jacket.
Softcover, Milano: Adelphi Edizioni, 1982. Very Good with no dust jacket.
Softcover, Chapel Hill: University of North Carolina, 1972. Very Good with no dust jacket.
Softcover, Roma: Bonacci Editore, 1980. Very Good with no dust jacket.
Hardcover, Verona: Istituto per gli Studi Storici Veronesi, 1967. Very Good with no dust jacket.
Soft Cover, Milano: EDIEMME, 1983. Good with no dust jacket.
Hard Cover, Torino: Giulio Einaudi Editore, 1968. Good with no dust jacket.
Softcover, Udine, Italy: Forum, Editrice Universitaria Udinese srl, 2010. Very Good with no dust jacket.
Hard Cover, Manduria: Piero Laciata Editore, 1967. Good with no dust jacket.
Hard Cover, Roma: Finzi Editore, 1968. Very Good with no dust jacket.
Hardcover, Milano: Casa Editrice Ceschina, 1973. Very Good in Good dust jacket.
Softcover, Milano: Casa Editrice Baldini, Castoldi & C., 1899. Poor with no dust jacket.
Softcover, Palermo: Palumbo, 1965. Very Good with no dust jacket.
Softcover, Alessandria: Edizioni dell'Orso, 1997. Very Good with no dust jacket.
Softcover, Roma: Bulzoni Editore, 2006. Very Good with no dust jacket.
Softcover, Roma: Edizioni dell'Ateneo, 1991. Very Good with no dust jacket.
Hardcover, Napoli: Loffredo Editore, 1972. Good with no dust jacket.
Softcover, Bologna: Società editrice il Mulino, 1964. Good in Poor dust jacket.