Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 1987)

Illinois Natural History Survey bulletin - Illinois. Natural History Survey Division (The Survey, 2002)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1973)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1978)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1986)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1996)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 2001)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 2005)

Illinois River Bluffs area assessment - Illinois. Dept. of Natural Resources. (Illinois Dept. of Natural Resources, 1998)

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 (G. Routledge, 1853)

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)

Illustrations of British entomology; or, A synopsis of indigenous insects: containing their generic and specific distinctions - Stephens, James Francis, 1792 -1853 (Printed for the author; published by Baldwin and Cradock, 1828)

Illustrations of British entomology; or, A synopsis of indigenous insects: containing their generic and specific distinctions - Stephens, James Francis, 1792 -1853 (Printed for the author; published by Baldwin and Cradock, 1834)

Illustrations of British entomology; or, A synopsis of indigenous insects: containing their generic and specific distinctions - Stephens, James Francis, 1792 -1853 (Printed for the author; published by Baldwin and Cradock, 1835)

Illustrations of the British flora: a series of wood engravings, with dissections, of British plants - Bentham, George, 1800 -1884 (L. Reeve & co, 1880)

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

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1898)

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1899)

Illustrierte Zeitschrift für Entomologie - Allgemeine Entomologische Gesellschaft. (J. Neumann, 1900)

Die im Bernstein befindlichen organischen Reste der Vorwelt, gesammelt - Berendt, Georg Carl, 1790 -1850 (In Commission der Nicolaischen Buchhandlung, 1845)

Die im Bernstein befindlichen organischen Reste der Vorwelt, gesammelt - Berendt, Georg Carl, 1790 -1850 (In Commission der Nicolaischen Buchhandlung, 1856)

Impact of bleached kraft mill effluent (BKME) on fish populations near Terrace Bay, Ontario - McMaster, M. E. (Environment Ontario, 1991)

The impact of Hungry Horse Dam on the aquatic invertebrates of the Flathead River - United States. Bureau of Reclamation. (The Dept, 1981)

Impact on rainbow trout reproduction associated with the attainment of the recreational pool elevation at Mystic Lake : final draft - Montana. Department of Fish, Wildlife,; Parks (Montana Dept. of Fish, Wildlife and Parks?, 1984)

Impacts of Hungry Horse Dam on the invertebrates in the Flathead River : final report - United States. Bureau of Reclamation. (The Bureau, 1982)

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

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

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

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 known fossil insects of the world : including myriopods and arachnids - Geological Survey (U.S.) (Department of the Interior, Geological Survey, 1891)

Index to the literature of American economic entomology - American Association of Economic Entomologists (American Association of Economic Entomologists [etc.], 1915)

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 the Victoria history of the county of Hertford (St. Catherine Press, 1923)

Index to the Victoria history of the county of York; three general volumes (The St. Catherine Press, 1925)

Index zoologicus. An alphabetical list of names of genera and subgenera proposed for use in zoology as recorded in the "Zoological record" 1880-1900, together with other names not included in the "Nomenclator zoologicus" of S.H. Scudder - Zoological Society of London. (Printed for the Society, 1902)

Indian insect life : a manual of the insects of the plains (tropical India) - Maxwell-Lefroy, H. (Harold), 1877 -1925 (Thacker, Spink & Co., W. Thacker & Co., 2 Creed Lane, London, 1909)