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)

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)

Indian zoology - Forster, Johann Reinhold, 1729 -1798 (Printed by Henry Hughs, for Robert Faulder, 1790)

Indian zoology - Pennant, Thomas, 1726 -1798 ([publisher not identified], 1769)

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

Die Insektenwelt : ein Taschenbuch zu entomologischen Exkursionen für Lehrer und Lernende - Karsch, Dr., (Anton) 1822 -1892 (O. Lenz, 1883)

Instruccoes praticas sobre o modo de colligir, preparar e remetter productos zoologicos para o museu de Lisboa - Barbosa du Bocage, J. V. (José Vicente), 1823 -1908 (Imprensa Nacional, 1862)

Instructions to young sportsmen in all that relates to guns and shooting - Hawker, Peter, 1786 -1853 (Longman, Hurst, Rees, Orme, Brown, and Green, 1826)

International catalogue of scientific literature. N, Zoology - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1901)

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, 1909)

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, 1913)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1914)

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

International code of zoological nomenclature = Code international de nomenclature zoologique - International Commission on Zoological Nomenclature (International Trust for Zoological Nomenclature, c/o Natural History Museum, 1999)

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

An introduction to geology : and its associate sciences mineralogy, fossil botany, and palaeontology - Wright, Thomas, 1809 -1884 (H. G. Bohn, 1855)

An introduction to the birds of Great Britain - Gould, John 1804 -1881 (Printed for the author by Taylor and Francis, 1873)

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 ornithology of Cuvier : for the use of students and travellers - Cuvier, Georges, baron, 1769 -1832 (Printed by J. Smith, 1821)

An introduction to the ornithology of Cuvier : for the use of students and travellers - Royal College of Physicians of London. (Treuttel & Würtz, 1821)

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 the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (Griffin, 1887)

An introduction to the study of embryology - Haddon, Alfred C. (Alfred Cort), 1855 -1940 (P. Blakiston, 1887)

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

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

Invasive alien flora and fauna in South Africa : expertise and bibliography - South African National Biodiversity Institute. (South African National Biodiversity Institute, 2007)

Ioannis Antonii Scopoli ... Annus I-[V] historico-naturalis ... - Scopoli, Giovanni Antonio, 1723 -1788 (Sumtib. C.G. Hilscheri, 1769)

Ioannis Antonii Scopoli phil. et med. doct. ... Annus I[-V] historico-naturalis ... - Scopoli, Giovanni Antonio, 1723 -1788 (Sumtib. Christ. Gottlob Hilscheri, 1769)

Ioannis Eusebii Nierembergii Madritensis ex Societate Iesu ... historia naturæ, maxime peregrinæ, libris XVI. distincta. In quibus rarissima naturæ arcana, etiam astronomica, & ignota Indiarum animalia ... plantæ, metalla, lapides ... fluuioruḿque & elementorum conditiones, etiam cum proprietatibus medicinalibus, describuntur ... : Accedunt de miris & miraculosis naturis in Europâ libri duo: item de iisdem in terrâ Hebræis promissâ liber vnus - Nieremberg, Juan Eusebio, 1595 -1658 (ex officina Plantiniana Balthasaris Moreti, 1635)

Ioannis Eusebii Nierembergii Madritensis ex Societate Iesu ... Historia naturae, maxime peregrinae, libris XVI. distincta : in quibus rarissima naturae arcana, etiam astronomica, & ignota Indiarum animalia, ... plantae, metalla, lapides & alia mineralia, fluuiorumque & elementorum conditiones, etiam cum proprietatibus medicinalibus, describuntur ... : accedunt de miris & miraculosis naturis in Europâ libri duo, item de iisdem in terrâ Hebraeis promissâ liber vnus - Nieremberg, Juan Eusebio, 1595 -1658 (Ex officina Plantiniana Balthasaris Moreti, 1635)

Ioannis Evsebii Nierembergii ... Historia natvrae, maxime peregrinae, libris XVI. distincta. In quibus rarissima naturae arcana, etiam astronomica, & ignota indiarum animalia, quadrupedes, aues, pisces ... describuntur ... Accedunt de miris & miraculosis naturis in Europâ libri duo: item de iisdem in terrâ Hebraeis promissâ liber vnus - Nieremberg, Juan Eusebio, 1595 -1658 (ex officina Plantiniana Balthasaris Moreti, 1635)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1965)

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

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1985)

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

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1892)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1902)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1918)

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

Isis, oder, Encyclopädische Zeitung von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1819)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1820)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1821)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1822)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1823)

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)