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)

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

An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1899)

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 (G. Routledge, 1880)

The illustrated natural history - Goode, G. Brown (George Brown), 1851 -1896 (Routledge, Warne and Routledge, 1862)

The illustrated stock doctor and live-stock encyclopedia including horses, cattle, sheep, swine and poultry : with all the facts concerning the various breeds and their characteristics... and all diseases to which they are subject...the prevention of any disease, and restoration of health - Manning, J. Russell (World Pub. Co, 1882)

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

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 animalium; sive, Index nominum quae ab A. D. MDCCLVIII generibus et speeiebus animalium imposita sunt - Sherborn, Charles Davies, 1861 -1942 (e typographio academico, 1902)

Index Diatomaceaearum, 1896-99 - Chase, H. H. (Harvey Henderson), 1849 -1915 (1900)

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

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 infancy of animals - Pycraft, W. P. (William Plane), 1868 -1942 (H. Holt and Company, 1913)

The infancy of animals - Pycraft, W. P. (William Plane), 1868 -1942 (Hutchinson & Co, 1913)

Insect artizans and their work - Step, Edward, 1855 -1931 (Hutchinson, 1919)

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, 1901)

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

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)

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)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1997)

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

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

IUCN Directory of Neotropical Protected Areas (1982)

IUCN Directory of Protected Areas in Oceania (1991)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1909)

Jenaische Zeitschrift für Naturwissenschaft - Medizinisch-naturwissenschaftliche Gesellschaft zu Jena. (Gustav Fischer [etc.], 1902)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1903)

Journal des Museum Godeffroy - Museum Godeffroy. (L. Friederichsen & Co, 1875)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1854)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1855)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1857)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1861)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1862)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1866)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1867)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1870)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1871)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1874)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1875)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1879)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1880)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1891)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1901)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1903)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1905)

The journal of the Asiatic Society of Bengal - Asiatic Society of Bengal (Bishop's College Press, 1875)

The journal of the Asiatic Society of Bengal - Asiatic Society of Bengal (Bishop's College Press, 1890)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1903)

The journal of the Bombay Natural History Society - Bombay Natural History Society. (Bombay Natural History Society, 1907)