The horseflies of the subfamily Tabaninae of the Nearctic region - Stone, Alan, 1904 - (U.S. Dept. of Agriculture, 1938)

Horses - Smith, Charles Hamilton, 1776 -1859 (Chatto & Windus, 1846)

The house-fly, Musca domestica Linn. : its structure, habits, development, relation to disease and control - Hewitt, C. Gordon (Charles Gordon), 1885 -1920 (University Press, 1914)

The house fly Musca domestica, Linnæus: a study of its structure, development, bionomics and economy - Hewitt, C. Gordon (Charles Gordon), 1885 -1920 (University Press, 1910)

How to know the immature insects; an illustrated key for identifying the orders and families of many of the immature insects with suggestions for collecting, rearing and studying them - Zhu, Hongfu, 1913 - (W. C. Brown Co, 1949)

How to know the insects; an illustrated key to the more common families of insects, with suggestions for collecting, mounting and studying them - Jaques, H. E. (Harry Edwin), 1880 - (The author, 1941)

Hrn. Johann Baptista Bohadsch ... Beschreibung einiger minderbekannten Seethiere : und ihren Eigenschaften, nebst einigen Kupfern, wozu der Verfasser selbst die Abbildungen nach lebendigen Thieren gezeichnet hat - Leske, Nathanael Gottfried, 1751 -1786 (In der Waltherischen Hofbuchhandlung, 1776)

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

The hunting wasps - Fabre, Jean-Henri, 1823 -1915 (Hodder and Stoughton, 1916)

The hunting wasps - Fabre, Jean-Henri, 1823 -1915 (Dodd, Mead and Company, 1919)

The hunting wasps - Fabre, Jean-Henri, 1823 -1915 (Dodd, Mead, 1916)

The hunting wasps. Translated by Alexander Teixeira de Mattos - Fabre, Jean-Henri, 1823 -1915 (Hodder and Stoughton, 1916)

Hydrologic and climatologic data, southeastern Uinta basin, Utah and Colorado : water year 1978 - United States. Environmental Protection Agency. (U.S. Dept. of the Interior, Geological Survey, 1980)

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

Hymenoptera of America north of Mexico : synoptic catalog, first supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1958)

Hymenoptera of America north of Mexico : synoptic catalog, second supplement - Krombein, Karl V. (U.S. Dept. of Agriculture, 1967)

I. Jonstons Naeukeurige beschryving van de natuur der vier-voetige dieren, vissen en bloedlooze water-dieren, vogelen, kronkel-dieren, slangen en draken - Jonstonus, Joannes, 1603 -1675 (Bij I.I. Schipper, 1660)

Iacobi Christiani Schaeffer, s. theolog. et philos. ... Elementa entomologica ... = Iacob Christian Schaeffers ... Einleitung in die Insectenkenntnis ... - Schäffer, Jacob Christian, 1718 -1790 (Gedruckt mit Weissischen Schriften, 1766)

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

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

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1916)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1917)