Hymenoptera of America north of Mexico : synoptic catalog - Krombein, Karl V. (U.S. Dept. of Agriculture, 1951)

Ichneumonologia brittannica. The ichneumons of Great Britain; a descriptive account of the families, genera and species indigenous to the British islands, together with notes as to classifiation, localitites, habitats, host, etc - Morley, Claude 1874 -1951 (J.H. Keys, 1903)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1864)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1873)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1869)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1915)

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)

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

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

Illustriertes Forst- und Jagd- Lexikon. Unter Mitwirkung von Dr. Bühler [et al.] - Fürst, Hermann Heinrich von, 1837 - (P. Parey, 1904)

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)

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 entomologicus; or, A complete illustrated catalogue, consisting of upwards of two thousand accurately coloured figures of the lepidopterous insects of Great Britain - Westwood, J. O. (John Obadiah), 1805 -1893 (1854)

Index entomologicus; or, A complete illustrated catalogue, consisting of upwards of two thousand accurately coloured figures of the lepidopterous insects of Great Britain - Westwood, J. O. (John Obadiah), 1805 -1893 (G. Willis, 1854)

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

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

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)

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 artizans and their work - Step, Edward, 1855 -1931 (Hutchinson, 1919)

Insect artizans and their work - Step, Edward, 1855 -1931 (Dodd, Mead and company, 1919)

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

The insect fauna of the genus Crataegus - Wellhouse, Walter Housley, 1890 - (s.n, 1922)

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

The insect hunter's companion : being instructions for collecting & preserving butterflies, moths, beetles, bees, flies, &c - Newman, Edward, 1801 -1876 (West, Newman, 1907)

The insect hunter's companion : being instructions for collecting and preserving butterflies, moths, beetles, bees, flies, &c - Newman, Edward, 1801 -1876 (W.S. Sonnenschein, 1880)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1929)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1930)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1932)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1933)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1934)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1940)

The Insect pest survey bulletin - United States. Bureau of Entomology. (Bureau of Entomology, U.S. Dept. of Agriculture, 1921)

Insecta britannica. [vol. III], Lepidoptera: Tineina - Stainton, H. T, (Henry Tibbats) 1822 -1892 (L. Reeve, 1854)

Insecta britannica. [vol. III], Lepidoptera : Tineina - Stainton, H. T, (Henry Tibbats) 1822 -1892 (L. Reeve, 1854)

Insecta Britannica : lepidoptera : tineina - Stainton, H. T, (Henry Tibbats) 1822 -1892 (Lovell Reeve, 1854)

Insecta - Sheldon, J. M. Arms (Jennie Maria Arms), 1852 -1938 (D. C. Heath & Co, 1890)

Les insectes : Traité élémentaire d'entomologie, comprenant l'histoire des esèces utiles et de leurs produits des espèces nuisibles et des moyens de les détruire, l'étude des métamorphoses et des moeurs, les procédés de chasses et de conversation - Girard, Maurice, 1822 -1886 (J.-B. Baillière, 1873)

Insecticides, fungicides and weed-killers, a practical manual on the diseases of plants and their remedies, for the use of manufacturing chemists, agriculturists, arboriculturists and horticulturists - Bourcart, Emmanuel. (Scott, 1913)

Insecticides, fungicides and weedkillers: a practical manual on the diseases of plants and their remedies, for the use of manufacturing chemists, agriculturists, arboriculturists and horticulturists - Grant, Donald. (Scott, Greenwood & son, 1913)

Insects affecting park and woodland trees - Felt, Ephraim Porter, 1868 -1943 (New York State Education Dept, 1905)

Insects affecting park and woodland trees - Felt, Ephraim Porter, 1868 -1943 (New York State Education Department, 1905)