Atti della Accademia di scienze, lettere e arti di Palermo - Accademia di scienze, lettere e arti di Palermo. (Presso l'Accademia, 1912)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 2002)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 2002)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 2002)

Bulletins of American paleontology - Columbia University. College of Pharmacy. (Paleontological Research Institution [etc.], 2002)

Further zoological results of the Swedish Antarctic Expedition 1901-1903 : under the direction of Dr. Otto Nordenskjöld - Bock, Sixten, 1884 -1946 (Norstedt, 1901)

Further zoological results of the Swedish Antarctic Expedition 1901-1903 : under the direction of Dr. Otto Nordenskjöld - Bock, Sixten, 1884 -1946 (Norstedt, 1901)

The Nautilus - American Malacologists, Inc. (American Malacologists, inc., etc, 1886)

Smithsonian contributions to paleobiology - Smithsonian Institution (Smithsonian Institution Press, 1981)