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

Das indische Phytoplankton - Karsten, George, 1863 -1937 (G. Fischer, 1907)

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

Informe oficial de la Comisión científica agregada al Estado Mayor general de la expedicion al Rio Negro (Patagonia) realizada en los meses de Abril, Mayo y Junio de 1879, bajo las órdenes del general d. Julio A. Roca (con 16 láminas) - Berg, Cárlos, 1843 -1902 (Imprenta de Ostwald y Martinez, 1881)

Insect life - Ealand, C. A. (Charles Aubrey), 1877 - (A. & C. Black, ltd, 1921)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1921)

Insekten-Börse (1900)

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

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, 1863)

The Intellectual observer (Groombridge and Sons, 1867)

The international bibliography of electron microscopy - New York Society of Electron Microscopists. (1959)

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, 1905)

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, 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, 1915)

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

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1919)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1912)

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)

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 - Scott, William Berryman, 1858 -1947 (The Macmillan Company, 1897)

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

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 comparative anatomy of animals : compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the comparative anatomy of animals compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

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 : 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 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)