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

Introduction à l'étude des mollusques - Pelseneer, Paul, 1863 -1945 (Henri Lamertin, 1894)

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

An introduction to geology : and its associate sciences mineralogy, fossil botany, and palaeontology - Wright, Thomas, 1809 -1884 (H. G. Bohn, 1855)

An introduction to geology : intended to convey a practical knowledge of the science, and comprising the most important recent discoveries, with explanations of the facts and phenomena which serve to confirm or invalidate various geological theories - Silliman, Benjamin, 1779 -1864 (Hezekiah Howe & Co, 1833)

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 study of conchology : describing the orders, genera, and species of shells; their most prominent characteristics, and usual mode of classification : with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells.and directions for collecting, preserving, and cleaning shells - Wodarch, Charles. (Published by Longman, Hurst, Rees, Orme, and Browne, and by J. Mawe, 1820)

An introduction to the study of conchology : including observations on the Linnæan genera, and the arrangement of M. Lamarck, a glossary, and a table of English names - Brookes, Samuel (Printed for John and Arthur Arch, by Richard and Arthur Taylor, 1815)

An introduction to the study of conchology : including observations on the Linnæan genera, and the arrangement of M. Lamarck, a glossary, and a table of English names : illustrated with coloured plates - Lamarck, Jean-Baptiste Pierre Antoine de Monet de, 1744 -1829 (Printed for John and Arthur Arch, by Richard and Arthur Taylor, 1815)

An introduction to the study of the genera of Palaeozoic Brachiopoda : part I / by James Hall - Hall, James, 1811 -1898 (Charles Van Benthuysen & Sons, 1892)

The invertebrate fauna and palaeontological relations of the Uitenhage series - Kitchin, Finlay Lorimer, 1870 - (Printed for the Trustees on the South African Museum and the Geological Commission of the Colony of the Cape of Good Hope and others, by West, Newman, 1908)

Invertebrate palaeontology; an introduction to the study of fossils - Hawkins, Herbert Leader, 1887 - (Methuen & co. ltd, 1920)

Invertebrate zoology - Van Cleave, Harley Jones, 1886 -1953 (McGraw-Hill Book Company, Inc, 1931)

Io. Frider. Blumenbachii Specimen archaeologiae telluris terrarumque inprimis Hannoveranarum - Blumenbach, Johann Friedrich, 1752 -1840 (Apud Henricum Dieterich, 1803)

Ioannis Philippi Breynii, M.D. Academ. Imperial. Nat. Curios. ... Dissertatio physica de Polythalamiis, nova testaceorum classe. Cui quaedam praemittuntur de methodo testacea in classes et genera distribuendi. Huic adiicitur commentatiuncula de Belemnitis Prussicis ; tandemque schediasma de Echinis methodice disponendis ... - Breyn, Johann Philipp, 1680 -1764 (Apud Cornelium a Beughem, 1732)

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)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1895)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1908)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1817)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1818)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1822)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1823)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1825)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1830)

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)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1838)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1839)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1842)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1844)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1846)

Istituzioni di anatomia e fisiologia comparativa / comparata di Stefano delle Chiaie. Parte la - Delle Chiaie, S. (Stefano), 1794 -1860 (1832)

Italiens Tertiär-Gebilde und deren organische Einschlüsse : vier Abhandlungen - Bronn, H. G. (Heinrich Georg), 1800 -1862 (Groos, 1831)