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, 1922)

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)

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

Illustrations of Indian ornithology : containing fifty figures of new, unfigured and interesting species of birds, chiefly from the south of India - Jerdon, T. C. (Thomas Claverhill), 1811 -1872 (Printed by P.R. Hunt, American Mission Press, 1847)

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains :and of the flora of Cashmere - Royle, J. Forbes (John Forbes), 1798 -1858 (Wm. H. Allen, 1839)

Important bird areas in Kenya - National Museums of Kenya. Department of Ornithology. (Nature Kenya, East Africa Natural History Society, 1999)

Index ad Caroli Luciani Bonaparte Conspectum generum avium - Bonaparte, Charles-Lucien, 1803 -1857 (apud E. J. Brill, 1865)

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 Desmidiacearum citationibus locupletissimus atque bibliographia. Supplementum / C.F.O. Nordstedt - Nordstedt, Carl Peter Ulrik, 1793 -1854 (Typis Berlingianis, 1908)

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

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

Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Japonicis, locis natalibus - Matsumura, Jinzo, 1856 -1928 (Apud Maruzen, 1904)

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)

Indian birds; being a key to the common birds of the plains of India - Dewar, Douglas, 1875 -1957 (John Lane, 1910)

Indian birds; being a key to the common birds of the plains of India - Dewar, Douglas, 1875 -1957 (John Lane, 1923)

Indicis generum malacozoorum primordia : nomina subgenerum, generum, familiarum, tribuum, ... / conscripsit A. N. Herrmannsen - Herrmannsen, August Nicolaus, 1807 -1854 (Theodor Fischer, 1847)

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

Insecutor inscitiae menstruus ([Harrison G. Dyar], 1918)

Insekten-Börse (1905)

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, 1913)

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

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)

Ioan Henrici Alstedii Scientiarum omnium encyclopædiæ : tomus primus [-quartus] ... - Alsted, Johann Heinrich, 1588 -1638 (Sumptibus Ioannis Antonii Huguetan Filij, & Marci Antonii Ravaud, viâ Mercatoriâ ad insigne Sphæræ, 1649)

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, 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, 1835)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1842)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1848)

IUCN Directory of South Asian Protected Areas (1990)

Jacobi Zabarellæ Patavini de rebus naturalibus libri XXX : quibus quæstiones, quæ ab Aristotelis interpretibus hodie tractati solent, accurate discutiuntur. Cum triplici indices uno librorum, altero capitum omnium librorum, tertio rerum omnium notatu dignarum, quæ toto volumine continentur - Zabarella, Jacopo, 1533 -1589 (Sumptibus Lazari Zetzneri Bibliop ...], 1597)

Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - Staatliches Museum für Naturkunde in Stuttgart. (1890)

Johannes Müller on certain variations in the vocal organs of the Passeres that have hitherto escaped notice - Müller, Johannes, Physiologist. (Clarendon Press, 1878)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1885)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1887)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1889)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1890)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1892)

Jornal de sciencias mathematicas, physicas e naturaes - Academia Real das Sciencias de Lisboa. (Academia Real das Sciencias de Lisboa, 1895)

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