I cefalopodi viventi nel golfo di Napoli. (Sistematica.) - Stazione zoologica di Napoli. (R. Friedländer & sohn, 1896)

I Cefalopodi viventi nel Golfo di Napoli (sistematica) : monografia - Stazione zoologica di Napoli. (R. Friedländer & Sohn, 1896)

Centralblatt für Bakteriologie und Parasitenkunde (G. Fischer, 1887)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1892)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1900)

Centralblatt für Physiologie - Physiologische Gesellschaft zu Berlin. (Toeplitz & Deuticke, 1908)

The Century dictionary : an encyclopedic lexicon of the English language: prepared under the superintendence of William Dwight Whitney - Whitney, William Dwight, 1827 -1894 (Century Co, 1889)

Cephalopoda Part 1 - Smithsonian Institution (Published for the Smithsonian Institution and the National Science Foundation, Washington, D.C., by the Israel Program for Scientific Translations, 1972)

Cephalopoda Embryology - Naef, Adolf (Smithsonian Institution Libraries, 1992)

The Cephalopoda - Chun, Carl, 1852 -1914 (Israel Program for Scientific Translations ; Springfield, Va. : available from the U. S. National Technical Information Service, 1975)

The Cephalopoda of the Hawaiian Islands - United States. Bureau of Fisheries. (Govt. Print. Off, 1914)

Die Cephalopoden - Valdivia (Ship) (G. Fischer, 1915)

Die Cephalopoden, I. Teil - Naef, Adolf (R. Friedländer & Sohn, 1921)

The cephalopods of the north-eastern coast of America - Verrill, A. E. (Addison Emery), 1839 -1926 (Connecticut Academy of Sciences, 1879)

The cephalopods of the north-eastern coast of America - Verrill, A. E. (Addison Emery), 1839 -1926 (Connecticut Academy of Sciences, 1880)

The cephalopods of the northeastern coast of America - Verrill, A. E. (Addison Emery), 1839 -1926 (G.P.O, 1882)

Cestodes - Braun, Max, 1850 -1930 (C.F. Winter, 1894)

A check-list of the mollusca of Tasmania - May, William Lewis 1861 -1925 (J. Vail, government printer, 1921)

Chemistry of the proteids - Mann, Gustav, 1864 -1921 (Macmillan and co., limited, 1906)

A classified index and synopsis of The animal kingdom arranged in conformity with its organization - Gray, John Edward, 1800 -1875 (Printed for Whittaker and Co, 1835)

Colour in nature; a study in biology - Newbigin, Marion I. (Marion Isabel), 1869 -1934 (J. Murray, 1898)

Commentario sui cefalopodi mediterranei del R. Museo di Firenze - R. Museo di Firenze. (Tip. nistri, 1869)

The common shells of the sea-shore - Wood, J. G. (John George), 1827 -1889 (F. Warne, 1866)

The common shells of the sea-shore - Wood, J. G. (John George), 1827 -1889 (F. Warne, 1865)

Comparative anatomy - Siebold, C. Th. E. von (Carl Theodor Ernst), 1804 -1885 (Trubner, 1854)