A history of Infusoria : including the Dismidiaceoe and Diatomaceoe, British and foreign - Arlidge, J. T. 1822 -1899 (Whittaker, 1861)

A history of the fishes of the British Islands - Couch, Jonathan, 1789 -1870 (Groombridge, 1867)

A history of the fishes of the British islands - Couch, Jonathan, 1789 -1870 (Groombridge, 1868)

A history of the fishes of the British Islands - Couch, Jonathan, 1789 -1870 (G. Bell, 1877)

A history of the fishes of the British Islands - Couch, Jonathan, 1789 -1870 (Groombridge and Sons, 1862)

The Hope reports - Poulton, Edward Bagnall, Sir, 1856 -1943 (Printed for private circulation, 1910)

Horae entomologicae, adjectis tabulis novem coloratis - Charpentier, Toussaint von, 1779 -1847 (apud A. Gosohorsky, 1825)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1867)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1871)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1879)

Horae Societatis Entomologicae Rossicae, variis sermonibus in Rossia usitatis editae - Russkoe ėntomologicheskoe obshchestvo. (Typis V. Besobrasovi & Comp, 1881)

Human anatomy - Morris, Henry, Sir, 1844 -1926 (Blakiston, 1907)

Human anatomy : a complete systematic treatise, including a special section on surgical and topographical anatomy - Morris, Henry, Sir, 1844 -1926 (P. Blakiston's Son, 1898)

Human physiology - Welby, Frances A. (Frances Alice) (Macmillan and Co, 1917)

Human physiology - Welby, Frances A. (Frances Alice) (Macmillan and co, 1911)

Human physiology, prepared with special reference to students of medicine - Raymond, Joseph Howard. (Saunders, 1905)

Human physiology, prepared with special reference to students of medicine - Raymond, Joseph H. (Joseph Howard), 1845 -1915 (W. B. Saunders & company, 1905)

Human physiology, prepared with special reference to students of medicine - Raymond, Joseph H. (Joseph Howard), 1845 -1915 (W. B. Saunders & co, 1901)

Humboldt; Monatsschrift für die gesamten Naturwissenschaften - Damer, Otto, 1839 -1916 (F. Enke, 1882)

Hydrocorides et naucorides Sueciae - Fallén, Carl Fredrik, 1764 -1830 (litteris Berlingianis, 1814)

Hymenoptera europaea praecipue borealia : formis typicis nonnullis specierum generumve exoticorum aut extraneorum propter nexum systematicum associatis; per familias, genera, species et varietates disposita atque descripta - Dahlbom, Anders Gustav, 1806 -1859 (Ex officina Lundbergiana, 1843)

Hymenoptera Scandinaviae - Thomson, C. G. (Carl Gustav), 1824 -1899 (typis expressit H. Ohlsson, 1871)

Hymenoptera Scandinaviae - Thomson, C. G. (Carl Gustav), 1824 -1899 (typis expressit H. Ohlsson, 1874)

Hymenopterorum ichneumonibus affinium monographiae, genera Europaea et species illustrantes. Scripsit Christ. Godofr. Nees ab Esenbeck - Nees von Esenbeck, C. G. (Christian Gottfried), 1776 -1858 (J.G. Cottae, 1834)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1987)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1990)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1996)

Iberus : revista de la Sociedad Española de Malacología - Sociedad Española de Malacología. (La Sociedad, 1981)

Icones insectorvm : praesertim Rossiae Sibiriaeqve pecvliarivm - Pallas, Peter Simon, 1741 -1811 (Svmptv Wolfgangi Waltheri, 1781)

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

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1899)

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1904)

Iconographie der Land- und Süsswasser-Mollusken - Kobelt, Wilhelm, 1840 -1916 (Arnoldische Buchh, 1908)

Iheringia Série zoologia - Fundação Zoobotânica do Rio Grande do Sul. Museu de Ciências Naturais. (Museu Rio-Grandense de Ciências Naturais, Divisão de Ciências do Departamento de Ciência e Cultura, Secretaria de Estado dos Negócios da Educação e Cultura do Govêrno do Estado do Rio Grande do Sul, 1993)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1979)

An illustrated catalogue of the mollusca of Michigan - Walker, Bryant, 1856 -1936 (Michigan Geological Survey, 1906)

An illustrated descriptive catalogue of the coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana : with bibliography and descriptions of new species - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Nature Pub. Co, 1910)

An illustrated descriptive catalogue of the Coleoptera or beetles (exclusive of the Rhynchophora) known to occur in Indiana - Blatchley, W. S. (Willis Stanley), 1859 -1940 (Nature Pub. Co)

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)

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

Illustratio iconographica insectorum quæ in Musæis Parisinis - Didot, Pierre, 1761 -1853 (typis Petri Didot natu majoris, 1804)

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, 1829)

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, 1835)

Illustrations of diurnal Lepidoptera, Lycænidæ - British Museum (Natural History). Department of Zoology. (John Van Voorst, 1862)

Illustrirtes conchylienbuch - Kobelt, Wilhelm, 1840 -1916 (Bauer & Raspe, E. Küster, 1880)

Index alphabeticus in J.C. Fabricii Entomologiam systematicam : emendatam et auctam, ordines, genera et species continens - Fabricius, Johann Christian, 1745 -1808 (Apud Proft et Storch, 1796)

Index alphabeticus in J.C. Fabricii Supplementum Entomologiae systematicae : ordines, genera et species contiens - Fabricius, Johann Christian, 1745 -1808 (Apud Proft et Storch, 1799)

Index fungorum : sistens icones et specimina sicca nuperis temporibus edita : adjectis synonymis - Hoffmann, Hermann, 1819 -1891 (Sumptibus A. Frstneri, 1863)

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)

Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1838)

Die infusionsthierchen als vollkommene organismen. Ein blick in das tiefere organische leben der natur - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1838)

Insecta Britanica : Diptera / by Francis Walker - Walker, Francis, 1809 -1874 (Reeve and Benham, 1853)

Insecta britannica. Diptera - Walker, Francis, 1809 -1874 (Reeve and Benham, 1851)

Insecta Lapponica - Zetterstedt, Johan Wilhelm, 1785 -1874 (Voss, 1840)

Insecta Saundersiana : or, Characters of undescribed insects in the collection of William Wilson Saunders - Saunders, W. Wilson 1809 -1879 (John Van Voorst, 1852)

Insecta Saundersiana : or, Characters of undescribed insects in the collection of William Wilson Saunders - Saunders, W. Wilson 1809 -1879 (John Van Voorst, 1856)

Insecta svecica descripta a Leonardo Gyllenhal ... Classis I. Coleoptera sive Eleuterata Tomus I - Linné, Carl von, 1707 -1778 (litteris F.J. Leverentz, 1827)