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, 1904)

Iconographie du règne animal de G. Cuvier, ou, Représentation d'après nature de l'une des espèces les plus et souvent non encore figurées de chaque genre d'animaux : avec un texte descriptif mis au courant de la science : ouvrage pouvant servir d'atlas a tous les traites de zoologie - Cuvier, Georges, baron, 1769 -1832 (Chez J.B. Baillière, 1829)

The identity of Tarsius pumilus, a pygmy species endemic to the montane mossy forests of central Sulawesi - Musser, Guy G. (American Museum of Natural History, 1987)

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, 1967)

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, 1993)

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)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1981)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1985)

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 flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian - Britton, Nathaniel Lord, 1859 -1934 (C. Scribner's sons, 1913)

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)

Illustrirte Naturgeschichte des Thierreichs : Anatomie, Physiologie und Geschichte der Säugethiere, der Vögel, der Lurche, der Fische und der wirbellosen Thiere. *Bd. 1*Naturgeschichte der Säugethiere - Poeppig, Eduard, 1798 -1868 (Weber, 1851)

Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1865)

In memoriam quattuor seculorum ab Universitate Upsaliensi peractorum Regia Societas Scientiarum Upsaliensis - Societas Regia Scientiarum Upsaliensis. (Excudit Ed. Berling Reg. Acad. Typographus, 1877)

In the Andamans and Nicobars; the narrative of a cruise in the schooner "Terrapin", with notices of the islands, their fauna, ethnology, etc - Kloss, C. Boden (Cecil Boden), 1877 -1949 (J. Murray, 1903)

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

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

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

Index generum mammalium: a list of the genera and families of mammals - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. Print. Off, 1904)

An Index of equine research - United States. Department of Agriculture. Science; Education Staff. (1975)

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

Index to plant chromosome numbers - Missouri Botanical Garden. (Missouri Botanical Garden, 1990)

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)

Index to volume I, numbers 1 to 17 (Field Columbian Museum, 1900)

India rubber world (Bill Brothers Publishing Corp, 1920)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1874)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1881)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1884)

Indian Tertiary and post Tertiary Vertebrata - Lydekker, Richard, 1849 -1915 (Geological Survey Office [etc., etc.], 1886)

Las industrias de pesca de los Estados Unidos - United States. Bureau of Fisheries. (Imprenta del gobierno, 1922)

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)

Informe que la Comision para el estudio de los medios mas adecuados para la destruccion de la langosta rinde á la Secretaría de fomento - Mexico. Comisión para la Destrucción de la Langosta. (Impr. de F. Diaz de Leon, 1883)

Insecta Saundersiana : or, Characters of undescribed insects in the collection of William Wilson Saunders - Saunders, W. Wilson 1809 -1879 (John Van Voorst, 1856)

Insecta svecica descripta a Leonardo Gyllenhal ... Classis I. Coleoptera sive Eleuterata. Tomus I - Linné, Carl von, 1707 -1778 (litteris F.J. Leverentz, 1808)

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

Insects of Samoa and other Samoan terrestrial arthropoda - Canada. Department of Agriculture. Plant Quarantine Division. (1935)

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, 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, 1913)