Indo-Pacific mollusca - Delaware Museum of Natural History. (Delaware Museum of Natural History, etc, 1976)

Insecta Britannica: Diptera - Walker, Francis, 1809 -1874 (Reeve, 1851)

Insecta britannica. Diptera - Walker, Francis, 1809 -1874 (Reeve and Benham, 1851)

Instinktets mysterier hos insekter og ederkopper. Andet opl. Oversat af. W. Dreyer - Fabre, Jean-Henri, 1823 -1915 (Gyldendalske boghandel, 1916)

The Intellectual observer (Groombridge and Sons, 1867)

International catalogue of scientific literature. N, Zoology - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1901)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1907)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1909)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

An introduction to conchology; or, Elements of the natural history of molluscous animals - Johnston, George, 1797 -1855 (J. Van Voorst, 1850)

An introduction to the study of recent corals - Hickson, Sydney J. (Sydney John), 1859 -1940 (The University press, 1924)

Introductory geology, a textbook for colleges - Chamberlin, Thomas C. Thomas Chrowder), 1843 -1928 (Holt, 1914)

Les invertébrés du bassin tertíaire du sudest de la France : Les mollusques pliocènes de la vallée du Rhône et du Roussillon / par F. Fontannes - Fontannes, Francisque, 1839 -1886 (Georg, 1879)

Ipsa Chiereghinii Conchylia, ovvero contribuzione pella Malacologia Adriatica desunta dal manoscritto descrizione de' Crostacei, de' Testacei, e de' Pesci che abitano le Lagune e Golfo Veneto, rappresentati in figure, a chiaro-scuro ed a colori dall Abate S. Chiereghini ... illustrata da S. Brusina - Brusina, Spiridion, 1845 -1908 (1870)

Ipsa Linnaei conchylia : The shells of Linnaeus, determined from his manuscripts and collection - Linné, Carl von, 1707 -1778 (Williams and Norgate, 1855)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1828)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1829)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1831)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1832)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1833)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1835)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1836)