Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1911)

Horae zoologicae. Zur vaterländischen Naturkunde ergänzende, sachliche und geschichtliche Bemerkungen - Leydig, Franz, 1821 -1908 (G. Fischer, 1902)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1831)

How to know the butterflies; a manual of the butterflies of the eastern United States - Comstock, John Henry, 1849 -1931 (D. Appleton, 1904)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1887)

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

Die hymenopteren Mitteleuropas nach ihren gattungen und zum grossen teil auch nach ihren arten analytisch - Schmiedeknecht, Otto, 1847 -1936 (G. Fischer, 1907)

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 ornithopterorum : a monograph of the Papilionine tribe Troides of Hubner, or Ornithoptera [bird-wing butterflies] of Boisduval - Rippon, Robert H. F. (Published by the author ... Upper Norwood, London, S.E, 1906)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Iconographie du règne animal de G. Cuvier, ou, Représentation d'après nature de l'une des espèces les plus et souvent non encore figurées de chaque genre d'animaux : avec un texte descriptif mis au courant de la science : ouvrage pouvant servir d'atlas a tous les traites de zoologie - Cuvier, Georges, baron, 1769 -1832 (Chez J.B. Baillière, 1829)

Iconographie et description de chenilles et lépidopteres inédits - Millière, Pierre, 1811 -1887 (F. Dumoulin, 1859)

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)

Iconographie et histoire naturelle des chenilles pour servir de complément à l'Histoire naturelle des lépidoptères ou papillons de France, de MM. Godart et Duponchel - Guenée, A. (Achille), 1809 -1880 (G. Baillière, 1849)

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

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)

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)

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 diurnal Lepidoptera, with descriptions - Weeks, Andrew Gray 1861 -1931 (Printed by the University Press, Cambridge, 1905)

Illustrations of diurnal Lepidoptera, with descriptions - Weeks, Andrew Gray 1861 -1931 (Printed by the University Press, Cambridge, 1911)

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 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 (H. G. Bohn, 1837)

Illustrations of natural history. Wherein are exhibited upwards of two hundred and forty figures of exotic insects, according to their differt genera ... With a particular description of each insect: interspersed with remarks and reflections on the nature and properties of many of them - Drury, Dru, 1725 -1803 (Printed for the author and sold by B. White, 1770)

Illustrations of natural history. Wherein are exhibited upwards of two hundred and forty figures of exotic insects, according to their different genera ... With a particular description of each insect: interspersed with remarks and reflections on the nature and properties of many of them - Drury, Dru, 1725 -1803 (Printed for the author and sold by B. White, 1770)

Illustrations of new species of exotic butterflies : selected chiefly from the collections of W. Wilson Saunders and William C. Hewitson - Hewitson, William C. (William Chapman), 1806 -1878 (John Van Voorst, 1871)

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains :and of the flora of Cashmere - Royle, J. Forbes (John Forbes), 1798 -1858 (Wm. H. Allen, 1839)

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

Die im nordwestlichen Neuvorpommern bisher beobachteten Grossschmetterlinge : mit besonderer Berücksichtigung der näheren Umgegend Stralsunds : ein Beitrag zur Makrolepidopterenfauna Pommerns Erster Teil Die Rhopalocéren und Heterocéren ausser den Geometriden - Spormann, Karl. (Druck der Königlichen Regierungs-Buchdr, 1907)

Imperial irises of 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ernest Evans, 1936)

The importation into the United States of the Parasites of the gipsy moth and the brown-tail moth - Howard, L. O. (Leland Ossian), 1857 -1950 (Arno Press, 1911)

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)