Index palaeontologicus : oder Übersicht der bis jetzt bekannten fossilen Organismen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweitzerbart, 1848)

Index testaceologicus, an illustrated catalogue of British and foreign shells, containing about 2,800 figures accurately coloured after nature - Wood, W. (William), 1774 -1857 (Willis and Sotheran, 1856)

An index to the scientific contents of the Journal and Proceedings of the Academy of Natural Sciences of Philadelphia [1817-1910] Published in commemoration of the centenary of the academy, March 21, 1912 - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences, 1912)

The Indian museum, 1814-1914 - Indian Museum. (Pub. by the Trustees of the Indian Museum and printed at the Baptist Mission Press, 1914)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1846)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1847)

Insectivorous plants - Darwin, Charles, 1809 -1882 (J. Murray, 1888)

Insects (T. Mulvey [etc.], 1919)

Insects. Part K insect life in the western Arctic coast of America - Johansen, Frits, 1882 -1957 (T. Mulvey, 1921)

Die insel Cypern, ihrer Physischen und Organischen Natur nach mit Rücksicht auf ihre frühere Geschichte - Unger, F. (Franz), 1800 -1870 (W. Braumüller, 1916)

The Intellectual observer (Groombridge and Sons, 1862)

The Intellectual observer (Groombridge and Sons, 1866)

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, 1901)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1904)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

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, 1910)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1911)

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 animal morphology and systematic zoology - Macalister, Alexander, 1844 -1919 (Longmans, 1876)

An introduction to animal morphology and systematic zoology : pt. I. Invertebrata - Macalister, Alexander, 1844 -1919 (Longmans, Green, 1876)

An introduction to geology - Scott, William Berryman, 1858 -1947 (The Macmillan Company, 1897)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (Morby, 1920)

An introduction to palaeontology - Davies, A. Morley (Arthur Morley), 1869 -1959 (T. Murby, 1920)

An introduction to the classification of animals - Huxley, Thomas Henry, 1825 -1895 (J. Churchill & sons, 1869)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (Griffin, 1887)