Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1970)

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

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 (Routledge, Warne, and Routledge, 1863)

The illustrated natural history - Wood, J. G. (John George), 1827 -1889 (G. Routledge, 1853)

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 : comprising descriptions of animals, birds, fishes, reptiles, insects, etc., with sketches of their peculiar habits and characteristics - Wood, J. G. (John George), 1827 -1889 (Crawford & Co, 1883)

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)

Illustrated sketches of natural history : consisting of descriptions and engravings of animals - Society for Promoting Christian Knowledge (Great Britain). General Literature Committee. (Society for Promoting Christian Knowledge, 1864)

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

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

Imperial Institute journal - Imperial Institute (Great Britain) ([s.n.], 1895)

Die in Deutschland lebenden Arten der Saurier - Leydig, Franz, 1821 -1908 (H. Laupp, 1872)

In nature's workshop - Allen, Grant, 1848 -1899 (W. Briggs, 1901)

In the field : the bulletin of the Field Museum of Natural History - Field Museum of Natural History. (Field Museum of Natural History, 1998)

In the wilds of South America; six years of exploration in Colombia, Venezuela, British Guiana, Peru, Bolivia, Argentina, Paraguay, and Brazil - Fuertes, Louis Agassiz, 1874 -1927 (C. Scribner's Sons, 1918)

Incidents of foreign sport and travel - Pollok, Fitz William Thomas. (Chapman & Hall, 1894)

Incidents of travel in Yucatan - Stephens, John L., 1805 -1852 (Harper & Brothers, 1843)

Incidents of travel in Yucatan - Catherwood, Frederick, 1799 -1854 (Harper & Brothers, 1843)

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 Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCI usque ad finem anni MDCCCCV complectens. Supplementum tertium - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXVI usque ad finem anni MDCCCCXXX complectens. Supplementum octavum - Royal Botanic Gardens, Kew. (e prelo Clarendoniano, 1901)

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)

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)

India rubber world (Bill Brothers Publishing Corp, 1904)

Indian medicinal plants - Basu, Baman Das, 1867 -1930 (Sudhindra Nath Basu, Pâninî office; [etc., etc.], 1918)

Indo-Pacific mollusca - Delaware Museum of Natural History. (Delaware Museum of Natural History, etc, 1968)

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. M, Botany - 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, 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, 1913)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1893)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1905)

Introduction and succession of vertebrate life in America : An address delivered before the American Association for the Advancement of Science, at Nashville, Tenn., Aug. 30, 1877 - Marsh, Othniel Charles, 1831 -1899 (Tuttle, Morehouse & Taylor, 1877)

Introduction and succession of vertebrate life in America. An address delivered before the American Association for the Advancement of Science, at Nashville, Tenn., August 30, 1877 - Marsh, Othniel Charles, 1831 -1899 (Tuttle, Morehouse & Taylor, printers, 1878)