Handwörterbuch der Zoologie - Dalla Torre, K. W. von (Karl Wilhelm), 1850 -1928 (F. Enke, 1887)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1878)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Robert Hardwicke, 1879)

The hawks and owls of Ontario - Snyder, L. L. (Lester Lynne), 1894 - (Royal Ontario Museum of Zoology, 1947)

Histoire physique, politique et naturelle de l'ile de Cuba - Sagra, Ramón de la, 1798 -1871 (A. Bertrand, 1839)

Historia naturalis bulgarica - Bŭlgarska akademii︠a︡ na naukite. (Bulgarska akademiia na naukite, 1996)

An historical and descriptive account of British America comprehending Canada Upper and Lower, Nova Scotia, New Brunswick, Newfoundland, Prince Edward Island, the Bermudas, and the fur countries, their history from the earliest settlement, the statistics and topography of each district, their commerce ... : to which is added a full detail of the principles and best modes of emigration - Murray, Hugh, 1779 -1846 (Oliver & Boyd, 1839)

A history of British birds - Yarrell, William, 1784 -1856 (John Van Voorst, 1856)

A history of British birds - Yarrell, William, 1784 -1856 (John Van Voorst, 1843)

A history of British birds - Yarrell, William, 1784 -1856 (John van Voorst, 1871)

A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology ... - MacGillivray, William 1796 -1852 (Printed for Scott, Webster, and Geary, 1837)

A history of British birds, with coloured illustrations of their eggs - Seebohm, Henry, 1832 -1895 (Pub. for the author by R. H. Porter [etc.], 1883)

A history of North American birds. Land birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown)

A history of North American birds. Land birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown, 1874)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1834)

History of the Berwickshire Naturalists' Club - Berwickshire Naturalists' Club. (1933)

A history of the birds of Europe, not observed in the British Isles - Bree, Charles Robert, 1811 -1886 (Groombridge and Sons, 1859)

A history of the birds of Europe, not observed in the British Isles - Bree, Charles Robert, 1811 -1886 (G. Bell & Sons, 1875)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1919)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1917)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1918)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1922)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1921)

El Hornero - Asociación Ornitológica del Plata (Asociación Ornitologica del Plata, 1920)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1892)

The Humming bird - Boucard, Adolphe, 1839 -1905 (A. Boucard, 1895)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1876)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1879)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1901)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1917)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1921)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1859)

Iconografia dell'avifauna italica, ovvero, Tavole illustranti le specie di uccelli che trovansi in Italia : con brevi descrizioni e note - Giglioli, Enrico Hillyer, 1845 -1909 (Alberto Manzella, proprietario-editore, 1879)

Iconografia della fauna italica : per le quattro classi degli animali vertebrati - Bonaparte, Charles-Lucien, 1803 -1857 (Tip. Salviucci, 1841)

Idaho's migratory landbirds : description, habitats & conservation - U.S. Fish; Wildlife Service ([Idaho Department of Fish and Game], 1992)

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, 1978)

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, 1990)

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, 2000)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1952)

The Illinois breeding bird atlas - U.S. Fish; Wildlife Service (Illinois Natural History Survey, 2004)

An illustrated dictionary of scientific terms - Rossiter, William, 1897 (G. P. Putnam's Sons, 1878)

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1889)

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, 1880)

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 ornithology - Selby, Prideaux John, 1788 -1867 (Printed for the proprietor, and published by W.H. Lizars ; London : Longman, Rees, Orme, Brown, Green and Longman ; Dublin : W. Curry Jun. & Co, 1833)

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

Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1866)

Illustrirtes Thierleben - Brehm, Alfred Edmund, 1829 -1884 (Verlag des Bibliogr. Instituts, 1867)

Illustrirtes Thierleben. Für Schule und Haus - Dümling, Hermann. (G. Brumder, 1879)

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)

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)

Information on file as cited in the Terrestrial Ecology Assessment chapter, Science Integration Team Report, Interior Columbia Basin Team Ecosystem Management Project - United States. Bureau of Land Management. ([U.S. Department of Agriculture, Forest Service], 1995)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1906)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1913)

Internationale Monatsschrift für Anatomie und Physiologie (G. Thieme [et al.,], 1894)

An introduction to the study of birds; or, The elements of ornithology, on scientific principles. With a particular notice of the birds mentioned in Scripture - Martin, William Charles Linnæus, 1798 -1864 (Religious Tract Society, 1835)

An introduction to zoology, for the use of High schools - Wright, R. Ramsay (Robert Ramsay), 1852 -1933 (Copp, Clark, 1889)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1963)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1977)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1982)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1986)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1991)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1996)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1998)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2006)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2011)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2017)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2018)

Birds peculiar to Ceylon - Legge, W. Vincent (William Vincent), 1841 -1918 (Published by the author, 1878)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1825)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1826)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1827)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1828)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1830)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1832)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1833)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1836)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1839)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1841)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1843)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1844)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1846)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1847)