Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1981)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1991)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1994)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2003)

Icones fossilium sectiles - König, Charles Dietrich Eberhard, 1774 -1851 (1820)

Icones zootomicae - Carus, Julius Victor, 1823 -1903 (W. Engelmann, 1857)

Icones Zootomicae : Handatlas zur vergleichenden Anatomie nach fremden und eigenen Untersuchungen - Wagner, Rudolph, 1805 -1864 (L. Voss, 1841)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1973)

Iheringia. Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1995)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (Balliére, Tindall & Cox, 1894)

An illustrated dictionary of medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

An illustrated dictionary of medicine, biology and allied sciences ... by George M. Gould. 5th ed., with additions and corrections - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son, 1907)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

Illustrated index of British shells : containing figures of all the recent species, with names and other information - Sowerby, G. B. (George Brettingham), 1812 -1884 (Simpkin, Marshall, and Co., and the Author, 1859)

An illustrated introduction to Lamarck's conchology : contained in his Histoire naturelle des animaux sans vertèbres : being a literal translation of the descriptions of the recent and fossil genera - Lamarck, Jean-Baptiste-Pierre-Antoine de Monet de 1744 -1829 (Longman, Rees, Orme, Brown, & Green, 1827)

The illustrated natural history - Wood, J. G. (John George), 1827 -1889 (Routledge, Warne, and Routledge, 1863)

The illustrated natural history - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1880)

Illustrated natural history - Wood, J. G. (John George), 1827 -1889 (Home Bk. Co, 1880)

Illustrated natural history of the animal kingdom : being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1859)

Illustrated natural history of the animal kingdom, being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1859)

Illustrated natural history of the animal kingdom, being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1865)

Illustrirtes conchylienbuch - Kobelt, Wilhelm, 1840 -1916 (Bauer & Raspe, E. Küster, 1878)

Illustrirtes conchylienbuch - Kobelt, Wilhelm, 1840 -1916 (Bauer & Raspe, E. Küster, 1876)

Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1869)

In the footsteps of T.R. Jones : Lower Palaeozoic of Shropshire and the Post-Palaeozoic of Avon, Dorset and Kent : field guide for the Thirteenth International Symposium on Ostracoda, Chatham 1997 - Lord, A. R. (Alan Richard), 1942 - (British Micropalaeontological Society, 1997)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1801)

Index Kewensis. names of seed-bearing plants at the rank of family and below published between January 1986 and the end of 1990 with some omissions from earlier years. Supplement nineteen - Royal Botanic Gardens, Kew. (1901)

Index kewensis plantarum phanerogamarum nomina et synonyma omnium generum et specierum a Linnaeo usque ad annum 1885 complectens nomine recepto auctore patria unicuique plantae subjectis. Supplementum, nomina et synonyma omnium generum et specierum - Royal Botanic Gardens, Kew. (E prelo Clarendoniano, 1901)

Index molluscorum maris japonici, conscriptus et tabulis iconum xvi illustratus a Guilielmo Dunker - Dunker, Wilhelm, 1809 -1885 (sumptibus T. Fischer, 1882)

Index molluscorum, quae in itinere ad Guineam inferiorem collegit Georgius Tams, med. dr - Dunker, Wilhelm, 1809 -1885 (typis et sumptibus Theodori Fischer, 1853)

Index of palaeozoic Coral genera - Smith, Stanley (1940)

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

Index testaceorum viventium quoe in collectione J.P.A. Grasset extant - Grasset, J. P. A. (Imprimerie Casabianca, 1884)

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1985)

Index to publications of the New York State Natural History Survey and New York State Museum 1837-1902, also including other New York publications on related subjects - New York State Museum. (University of the State of New York, 1903)

Index to the stratigraphy of North America - Willis, Bailey, 1857 -1949 (Govt. Print. Off, 1912)

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)

Indo-Pacific mollusca - Delaware Museum of Natural History. (Delaware Museum of Natural History, etc, 1959)

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

Insects [preface] - Stefansson, Vilhjalmur, 1879 -1962 (F.A. Acland, 1922)

The Intellectual observer (Groombridge and Sons, 1865)

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, 1910)

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