Die ichneumonen der forstinsecten in forstlicher und entomologischer beziehung; ein anhang zur Abbildung und beschreibung der forstinsecten - Ratzeburg, Julius Theodor Christian, 1801 -1871 (Nicolaischen Buchhandlung, 1844)

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)

Icones Zootomicae : Handatlas zur vergleichenden Anatomie nach fremden und eigenen Untersuchungen - Wagner, Rudolph, 1805 -1864 (L. Voss, 1841)

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1896)

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1912)

Iconographie des orchidées d'Europe et du bassin Méditerranéen - Lecomte, Henri, 1856 -1934 (P. Lechavalier, 1921)

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, 1869)

Les îles Canaries. Flore de l'archipel - Proust, Louis, 1878 -1959 (P. Klincksieck, 1908)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1920)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1922)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1926)

The illustrated Australasian bee manual and complete guide to modern bee culture in the southern hemisphere. With this is incorporated the "New Zealand bee manual" greatly enlarged, revised and mostly rewritten - Hopkins, Isaac. (1886)

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 - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston's Son & Co, 1900)

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 medicine, biology and allied sciences - Gould, George M. (George Milbry), 1848 -1922 (P. Blakiston, Son & Co, 1894)

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 British butterflies and moths - Newman, Edward, 1801 -1876 (Glaisher, 1869)

An illustrated natural history of British butterflies and moths - Newman, Edward, 1801 -1876 (W.H. Allen, 1800)

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)

Illustratio iconographica insectorum quæ in Musæis Parisinis - Didot, Pierre, 1761 -1853 (typis Petri Didot natu majoris, 1799)

Illustratio iconographica insectorum quæ in Musæis Parisinis - Didot, Pierre, 1761 -1853 (typis Petri Didot natu majoris, 1801)

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 exotic entomology : containing upwards of six hundred and fifty figures and descriptions of foreign insects, interspersed with remarks and reflections on their nature and properties - Westwood, J. O. (John Obadiah), 1805 -1893 (Henry G. Bohn, 1837)

Illustrations of the zygaenidae & bombycidae of North America - Stretch, Richard Harper (Edward Basqui & Co, 1872)

Illustrations of the Zygænidæ & Bombycidæ of North America - Stretch, Richard Harper (1872)

Illustrations of typical specimens of Lepidoptera Heterocera in the collection of the British Museum. Edited by Arthur Gardiner Butler - British Museum (Natural History). Department of Zoology. (Printed by order of the Trustees, 1891)

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, 1898)

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

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

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

Die in und an dem Körper des lebenden Menschen vorkommenden Parasiten : ein Lehr- und Handbuch der Diagnose und Behandlung der thierischen und pflanzlichen Parasiten des Menschen : zum Gebrauche für Studirende der Medicin und der Naturwissenschaften, für Lehrer der Zoologie, Botanik, Physiologie, pathologischen Anatomie und für praktische Ärzte - Küchenmeister, Friedrich, 1821 -1890 (Druck und Verlag von B.G. Teubner, 1855)

Index animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1892)