Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1929)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1942)

Illinois birds, Picidae - Graber, Jean W. (Jean Weber), 1924 -2015 (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1977)

The Illinois Natural History Survey reports - Illinois. Natural History Survey Division (Natural History Survey, Illinois Institute of Natural Resources, 1990)

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)

An illustrated synopsis of the principal larval forms of the order Coleoptera - Böving, Adam Giede, 1869 -1957 (The Brooklyn Entomological Society, 1931)

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

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

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

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

In the field : the bulletin of the Field Museum of Natural History - Field Museum of Natural History. (Field Museum of Natural History, 1992)

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

Index to information on insects associated with western wildland shrubs - Nelson, David L. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

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

Indian forest insects of economic importance. Coleoptera - Stebbing, Edward Percy, 1870 -1960 (Eyre & Spottiswoode, 1914)

Indian forest insects of economic importance. Coleoptera - Stebbing, Edward Percy, 1870 -1960 (Printed by Eyre & Spottiswoode, ltd, 1914)

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)

Insect biodiversity and dead wood : proceedings of a symposium for the 22nd International Congress of Entomology - Hanula, James L. (James Lee), 1955 - (U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2006)

Insect enemies of eastern forests - Craighead, Frank C. (Frank Cooper), 1890 -1982 (U.S. Dept. of Agriculture, 1950)

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

Les insectes, morphologie - reproduction - embryogenie - Henneguy, L. F. (Louis Félix), 1850 -1928 (Masson, 1904)

Insects abroad : being a popular account of foreign insects, their structure, habits, and transformations - Wood, J. G. (John George), 1827 -1889 (Longmans, Green and Co, 1892)

Insects abroad. Being a popular account of foreign insects, their structure, habits, and transformations - Wood, J. G. (John George), 1827 -1889 (Longmans, Green and Co, 1874)

1. Insects and health. 2. Dispersal of insects by air currents. 3. Three Japanese beetles new to New York state. 4. Observations and notes on injurious and other insects of New York state. 5. A report on the Hymenoptera of the New York state museum - Felt, Ephraim Porter, 1868 -1943 (University of the State of New York, 1928)

Insects and man : an account of the more important harmful and beneficial insects... - Ealand, Charles Aubrey, 1877 - (G. Richards, ltd, 1915)

Insects and other invertebrates as candidates for the Bern Convention - Collins, N. Mark (IUCN Conservation Monitoring Centre, 1986)

Insects and their world - Oldroyd, Harold (University of Chicago Press, 1962)

Insects at home : being a popular account of all those insects which are useful or destructive, and minutely describing their structure, habits, and transformations ... - Wood, J. G. (John George), 1827 -1889 (William Rutter & Company, 1873)

Insects at home; being a popular account of insects, their structure, habits and transformations - Wood, J. G. (John George), 1827 -1889 (Scribner, 1872)

Insects. Part 2. Hymenoptera continued (Tubulifera and Aculeata), Coleoptera, Strepsiptera, Lepidoptera, Diptera, Aphaniptera, Thysanoptera, Hemiptera, Anoplura - Harmer, S. F. (Sidney Frederic), 1862 -1950 (Macmillan, 1909)

Insects of Eastern forests - United States. Department of Agriculture. (U.S. Forest Service ; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1985)

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

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

Insects : their structure & life, a primer of entomology - Carpenter, George H. (George Herbert), 1865 -1939 (J.M. Dent, 1899)

Insekten-Börse (1888)

Insekten-Börse (1893)

Insekten-Börse (1896)

Insekten-Börse (1897)

Insekten-Börse (1898)

Insekten-Börse (1899)

Insekten-Börse (1900)

Insekten-Börse (1904)

Insekten-Börse (1905)

Die Insekten, Tausendfüssler und Spinnen - Brehm, Alfred Edmund, 1829 -1884 (Bibliographische Institut, 1884)

Die Insekten, Tausendfüssler und Spinnen - Brehm, Alfred Edmund, 1829 -1884 (Bibliographische Institut, 1892)

Insektenbörse (Alfred Kernen, 1909)

Insektenbörse (Alfred Kernen, 1911)

Insektenbörse (Alfred Kernen, 1912)

Insektenbörse (Alfred Kernen, 1914)

Insektenbörse (Alfred Kernen, 1915)