Index to Catalogue of recent bivalve shells by Sylvanus Hanley - Hanley, Sylvanus, 1819 -1899

Index to specimens in Curtis Herbarium - Curtis, M. A. (Moses Ashley), 1808 -1872 (1980)

An index to the generic and trivial names of animals, described by Linnaeus, in the 10th and 12th editions of his "Systema naturae." - Sherborn, Charles Davies, 1861 -1942 (Dulau & co, 1899)

An index to the geology of the northern states, with transverse sections, extending from Susquehanna River to the Atlantic, crossing Catskill Mountains. To which is prefixed a geological grammar - Eaton, Amos, 1776 -1842 (W. S. Parker, 1820)

An index to the Historia conchyliorum of Lister : with the name of the species to which each figure belongs, and occasional remarks - Dillwyn, L. W. (Lewis Weston), 1778 -1855 ([E typographeo Clarendoniano], 1823)

An index to the Museum Boltenianum - Dall, William Healey, 1845 -1927 (Smithsonian institution, 1915)

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)

Indian zoology - Forster, Johann Reinhold, 1729 -1798 (Printed by Henry Hughs, for Robert Faulder, 1790)

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)

Influence de la fixation pleurothétique sur la morphologie des mollusques acéphales dimyaires - Anthony, R. (Raoul) 1874 -1941 (Masson, 1905)

Insecta svecica descripta a Leonardo Gyllenhal ... Classis I. Coleoptera sive Eleuterata. Tomus I - Linné, Carl von, 1707 -1778 (litteris F.J. Leverentz, 1813)

Die insel Lussin und ihre Meeresfauna : Nach einem Sechswöchentlichen Aufenthalte - Grube, Adolph Eduard, 1812 -1880 (F. Hirt, 1864)

The Intellectual observer (Groombridge and Sons, 1867)

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, 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, 1912)

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)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1902)

Introductio ad historiam naturalem sistens genera lapidum, plantarum, et animalium :hactenus detecta, caracteribus essentialibus donata, in tribus divisa, subinde ad leges naturae - Scopoli, Giovanni Antonio, 1723 -1788 (Apud Wolfgangum Gerle, 1777)

Introduction à l'etude de la paleontologie stratigraphique : cours professé au Muséum d'histoire naturelle - Archiac, vicomte d' (Etienne Jules Adolphe Desmier), 1802 -1868 (F. Savy, éditeur, 1864)