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 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 rerum naturalium quae conservantur in Museo Academico Groningano = Naamlijst der voorwerpen van natuurlijke historie welke bewaard worden in het Akademisch Museum te Groningen - Swinderen, Theodorus van, 1784 -1851 (Bij J. Oomkens, Akademie-drukker, 1822)

Index to Livingstone's journal - Livingstone, David, 1813 -1873 (J. Murray, 1857)

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 influence of distribution and ecology on the thermoregulation of small birds - Yarbrough, Charles Gerald, 1939 - (1970)

Insektenbörse (Alfred Kernen, 1914)

The Intellectual observer (Groombridge and Sons, 1868)

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, 1910)

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

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

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1948)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1962)

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

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2016)

Iridescent colors in feathers - Bancroft, Wilder D. (Wilder Dwight), 1867 - (1922)

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, 1818)

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, 1828)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1829)

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)

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, 1837)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1838)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1840)

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

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

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

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

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

IUCN Directory of Neotropical Protected Areas (1982)

IUCN Directory of South Asian Protected Areas (1990)

IXe Congrès international de zoologie : tenue à Monaco du 25 au 30 Mars 1913 (Oberthür, 1914)

Jahrbuch der Kaiserlich Königlichen Geologischen Reichsanstalt - K.K. Geologische Reichsanstalt (Austria) (K.K. Hof- und Staats-Druckerei, 1916)

Jahrbuch der Königlich Preussischen Geologischen Landesanstalt und Bergakademie zu Berlin für das Jahr ... - Königlich Preussische Geologische Landesanstalt und Bergakademie zu Berlin. (Simon Schropp'schen Hof-Landkartenhandlung, 1885)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1898)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1904)

Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg - Staatliches Museum für Naturkunde in Stuttgart. (1889)

Le Jardin des plantes : description complete, historique et pittoresque du Muséum d'histoire naturelle, de la ménagerie, des serres, des galeries de minéralogie et d'anatomie, et de la vallée suisse : moeurs et instincts des animaux, botanique, anatomie comparée : minéralogie, géologie, zoologie - Gervais, Paul, 1816 -1879 (L. Curmer, 1843)

Java :deszelfs gedaante, bekleeding en inwendige structuur - Junghuhn, Franz Wilhelm, 1809 -1864 (P.N. Van Kampen, 1854)

Java, seine Gestalt, Pflanzendecke und Innere Bauart - Junghuhn, Franz Wilhelm, 1809 -1864 (Arnold, 1857)

Java :seine Gestalt, Pflanzendecke und innere Bauart - Junghuhn, Franz Wilhelm, 1809 -1864 (Arnold, 1857)