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)

Illustrations of ornithology - Lear, Edward, 1812 -1888 (Published by W.H. Lizars, 1826)

Illustrations of the natural history of Worcestershire : with information on the statistics ... - Worcestershire Natural History Society. (Lees, 1834)

Illustrations of zoology. The engravings by F.W. Lowry and Thomas Landseer (John Joseph Griffin and Co, 1851)

Illustrirte naturgeschichte des thierreichs - Poeppig, Eduard, 1798 -1868 (J.J. Weber, 1851)

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

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

Immunity in health; the function of the tonsils and other subepithelial lymphatic glands in the bodily economy - Digby, Kenelm Hutchinson, 1884 - (H. Frowde, 1919)

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)

Index-catalogue of medical and veterinary zoology. Authors - United States. Office of Experiment Stations. (Zoological Division, Bureau of Animal Industry, 1908)

Index-catalogue of the birds in the Hancock collection - Howse, Richard. (Printed for the Natural History Society, 1899)

Index generum avium : a list of the genera and subgenera of birds - Waterhouse, Frederick Herschel, 1845 -1919 (R.H. Porter, 1889)

Index ornithologicus, sive, Systema ornithologiae : complectens avium divisionem in classes, ordines, genera, species, ipsarumque varietates : adjectis synonymis, locis, descriptionibus, &c - Latham, John, 1740 -1837 (Sumptibus authoris, 1790)

Index to the genera of birds - McGregor, Richard C. (Richard Crittenden), 1871 -1936 (Bureau of Printing, 1920)

Index zu L. Reichenbach's ornithologischen Werken - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (R. Freidlander, 1879)

The Indian ducks and their allies - Bombay Natural History Society. (Published by the Bombay Natural History Society, 1908)

The Indian field shikar book - Burke, W. S. (Walter Samuel), 1861 - ("The Indian Field" Office, 1908)

Indian sporting birds - Hume, Allan Octavian, 1829 -1912 (Francis Edwards, 1915)

Informe oficial de la Comisión científica agregada al Estado Mayor general de la expedicion al Rio Negro (Patagonia) realizada en los meses de Abril, Mayo y Junio de 1879, bajo las órdenes del general d. Julio A. Roca (con 16 láminas) - Berg, Cárlos, 1843 -1902 (Imprenta de Ostwald y Martinez, 1881)

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

Insecta epizoa : die auf Säugethieren und Vögeln schmarotzenden Insecten nach Chr. L. Nitzsch's Nachlass - Giebel, C. (Christoph), 1820 -1881 (O. Wigand, 1874)

Instructions to young sportsmen in all that relates to guns and shooting - Hawker, Peter, 1786 -1853 (Printed for Longman, Rees, Orme, Brown, and Green, 1830)

The Intellectual observer (Groombridge and Sons, 1863)

The Intellectual observer (Groombridge and Sons, 1865)

The Intellectual observer (Groombridge and Sons, 1866)

The Intellectual observer (Groombridge and Sons, 1867)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1903)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1905)

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, 1908)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1910)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1912)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1916)

International convention for the protection of birds - Herman, Ottó, 1835 -1914 (V. Hornyánszky, court printer, 1907)

The international convention for the protection of birds concluded in 1902; and Hungary. Historical sketch - Herman, Ottó, 1835 -1914 (W. Hornyánszky, court printer, 1907)

International cooperation in science : hearings before the Task Force on Science Policy of the Committee on Science and Technology, House of Representatives, Ninety-ninth Congress, first session, June 18, 19, 20, 27, 1985 - United States. Congress. House. Committee on Science; Technology. (U.S. G.P.O, 1985)

An introduction to The birds of Australia - Gould, John 1804 -1881 (Printed for the author, by Richard and John E. Taylor, 1848)

An introduction to the natural history of birds : being the article "Ornithology," from the seventh edition of the Encyclopaedia Britannica : with one hundred and thirty-five figures - Wilson, James, 1795 -1856 (Adam and Charles Black, 1839)

An introduction to the natural history of birds; being the article "Ornithology", from the seventh edition of the Encyclopedia Britannica ... - Wilson, James, 1795 -1856 (A. and C. Black, 1839)

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 - Gosse, Philip Henry, 1810 -1888 (Printed for the Society for promoting Christian knowledge, 1844)

Le iournal des sçavans - Le Gallois, Sieur fl 1672 -1680 (J. Cusson, 1738)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1947)

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, 1998)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1900)

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1817)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

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, 1831)

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