Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2006)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2007)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2008)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2009)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2010)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2012)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2013)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 2014)

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

Ichthyotomical contributions - Jungersen, Hector F. E. (Hector Frederik Estrup), 1854 -1917 (B. Lunos, 1908)

Icones vermium : indicem systematicum - Kielsen, F. C. (Frederik Christian), 1774 -1850 (sumptibus Christiani Steen, 1835)

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

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

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1876)

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1883)

Ignatii a Born ... Index rerum naturalium Musei Caesarei Vindobonensis. Verzeichniss der natürlichen Seltenheiten des K.K. naturalien Kabinets zu Wien : Erster Theil, Schalthiere. Pars 1, Testacea - Vienna (Austria). K.K. Hof-naturalien-cabinet. (ex Officina Krausiana, 1778)

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, 1963)

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, 1970)

The Illustrated dictionary of gardening : a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. Upcott Gill, 1887)

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

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 (Harper & Bros, 1872)

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)

Illustrations conchyliologiques : ou description et figures de toutes les coquilles connues vivantes et fossiles classées suivant le système de Lamarck - Chenu, Jean-Charles, 1808 -1879 (A. Frank, Libraire, 1842)

Illustrations of the fossil conchology of Great Britain and Ireland : with the description and localities of all the species - Brown, Thomas, 1785 -1862 (Smith, Elder, 1849)

Illustrations of the fossil conchology of Great Britain and Ireland, with the description. And localities of all the species - Brown, Thomas, 1785 -1862 (Smith, Elder, 1849)

Illustrations of the fossil conchology of Great Britain and Ireland with descriptions and localities of all the species - Brown, Thomas, 1785 -1862 (Smith Elder & Co, 1849)

Illustrations of zoology. The engravings by F.W. Lowry and Thomas Landseer (John Joseph Griffin and Co, 1851)

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)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1892)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1758)

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 animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1902)

Index-catalogue of medical and veterinary zoology. Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index Diatomaceaearum, 1896-99 - Chase, H. H. (Harvey Henderson), 1849 -1915 (1900)

Index faunæ Novæ Zealandiæ - Hutton, Frederick Wollaston, 1836 -1905 (Dulau & Co, 1904)

Index faunæ Novæ Zealandiæ (Dulau & Co., 37 Soho Square, 1904)

Index molluscorum Groenlandiæ - Möller, H. P. C. (C. A. Reitzelii, 1842)

Index molluscorum; litora Scandinaviæ occidentalia habitantium. Faunæ prodromum - Lovén, Sven Ludvig, 1809 -1895 (P.A. Norstedt, 1846)

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

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

Index rerum naturalium Musei Caesarei Vindobonensis. Verzeichniss der Natürlichen Seltenheiten des K.K. Naturalien Kabinets zu Wien. Erster Theil, Schalthiere. Pars 1, Testacea - Vienna (Austria). K.K. Hof-naturalien-cabinet. (ex officina Krausiana, 1778)

Index rerum naturalium quae conservantur in Museo Academico Groningano = Naamlijst der voorwerpen van natuurlijke historie welke bewaard worden in het Akademisch Museum te Groningen - Swinderen, Theodorus van, 1784 -1851 (Bij J. Oomkens, Akademie-drukker, 1822)

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)

Index testaceologicus : or, A catalogue of shells, British and foreign, arranged according to the Linnean system. A list of the plates of the "Index testaceologicus", with the Lamarckian names adapted to the figures in each plate - Wood, W. (William), 1774 -1857 (Printed for W. Wood, 1829)

Index testaceologicus, or, A catalogue of shells, British and foreign : arranged according to the Linnean system : with the Latin and English names, references to authors, and places where found : illustrated with 2300 figures - Wood, W. (William), 1774 -1857 (Printed for W. Wood, 1828)

Index testaceologicus, or, A catalogue of shells, British and foreign : arranged according to the Linnean system : with the Latin and English names, references to authors, and places where found : illustrated with 2300 figures - Lamarck, Jean-Baptiste Pierre Antoine de Monet de, 1744 -1829 (Printed for W. Wood, 1828)

Index testaceologicus, or, A catalogue of shells, British and foreign, arranged according to the Linnean system : with the Latin and English names, references to authors, and places where found : illustrated with 2300 figures - Wood, W. (William), 1774 -1857 (Printed for W. Wood, 1825)

Index testaceologicus : or, A catalogue of shells, British and foreign. Supplement - Wood, W. (William), 1774 -1857 (Printed for W. Wood, 1828)