Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1924)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1938)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1953)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1954)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1955)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1956)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1957)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1959)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1914)

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

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)

An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Nature Pub. Co, 1910)

An illustrated descriptive catalogue of the Coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Nature Pub. Co)

The illustrated dictionary of gardening :a practical and scientific encyclopædia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L.U. Gill, 1884)

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

The illustrated dictionary of gardening, a practical and scientific encyclopedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (L. U. Gill, 1884)

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 - Gould, George M. (George Milbry), 1848 -1922 (Balliére, Tindall & Cox, 1894)

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)

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)

Illustrations of comparative anatomy, vertebrate and invertebrate, for the use of students in the Museum of Zoology and Comparative Anatomy - University of Cambridge. Museum of Zoology. (The University Press, 1875)

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

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1896)

Illustrierte Wochenschrift für Entomologie - Berliner Entomologische Gesellschaft. (J. Neumann, 1897)

Die im Bernstein befindlichen organischen Reste der Vorwelt, gesammelt - Berendt, Georg Carl, 1790 -1850 (In Commission der Nicolaischen Buchhandlung, 1854)

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

Implications of evolution - Kerkut, G. A. (Pergamon Press, 1960)

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-catalogue of medical and veterinary zoology Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1910)

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)

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)

An index to the Acarina collections of the world (to the family level) - Kethley, John B. (John Bryan), 1942 -2004 (U.S. Naval Medical Research Unit Number Three (NAMRU-3), 1979)

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

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)

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)

The Indian museum, 1814-1914 - Indian Museum. (Pub. by the Trustees of the Indian Museum and printed at the Baptist Mission Press, 1914)

Indian Museum notes - Indian Museum. ([Indian Museum], 1896)

Indiana caves and their fauna - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Dept. of Geology and Natural Resources, 1896)

Injurious insects and useful birds, successful control of farm pests - Washburn, F. L. (Frederic Leonard), 1860 -1927 (J. B. Lippincott, 1918)

Injurious insects and useful birds, successful control of farm pests - Washburn, F. L. (Frederic Leonard), 1860 -1927 (J.B Lippincott company, 1918)

The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (Frederick V. Theobald, 1909)

The insect and other allied pests of orchard, bush and hothouse fruits and their prevention and treatment - Theobald, Fred. V. (Frederick Vincent), 1868 -1930 (Published by the author, 1909)

Insect architecture: to which are added, Miscellanies, on the ravages, the preservation for purposes of study, and the classification of insects - Rennie, James, 1787 -1867 (Murray, 1857)

Insect architecture; to which are added, miscellanies, on the ravages, the preservation for purposes of study, and the classification of insects - Rennie, James, 1787 -1867 (J. Murray, 1857)

Insect foes and how to destroy them economic entomology - Panton, J. Hoyes (James Hoyes), 1847 -1898 (s.n.], 1895)

The insect hunter's companion - Newman, Edward, 1801 -1876 (Adlard, & West, Newman, 1924)

Insect life - United States. Division of Entomology. (G.P.O, 1888)

Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life - Comstock, John Henry, 1849 -1931 (D. Appleton and Company, 1901)

Insect life - Ealand, C. A. (Charles Aubrey), 1877 - (A. & C. Black, ltd, 1921)

Insect life : an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life - Comstock, John Henry, 1849 -1931 (D. Appleton, 1897)

Insect life; an introduction to nature-study and a guide for teachers, students, and others interested in out-of-door life - Comstock, John Henry, 1849 -1931 (D.Appleton and Company, 1897)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1889)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1890)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1891)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1894)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1893)