Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur - Ehrenberg, Christian Gottfried, 1795 -1876 (L. Voss, 1838)

Insects affecting domestic animals an account of the species of importance in North America, with mention of related forms occurring on other animals - Osborn, Herbert 1856 -1954 (G.P.O, 1896)

Die insel Cypern, ihrer Physischen und Organischen Natur nach mit Rücksicht auf ihre frühere Geschichte - Unger, F. (Franz), 1800 -1870 (W. Braumüller, 1916)

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)

The Intellectual observer (Groombridge and Sons, 1862)

International catalogue of scientific literature - Royal Society (Great Britain) (Published for the International Council by the Royal Society of London, 1907)

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, 1914)

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 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 comparative anatomy of animals : compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

An introduction to the comparative anatomy of animals compiled with constant reference to physiology, and elucidated by twenty copper-plates - Carus, Carl Gustav, 1789 -1869 (Longman, Rees, Orme, Brown, and Green, 1827)

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, W. C. L. (William Charles Linnaeus), 1798 -1864 (Religious Tract Society, 1835)

An introduction to the systematic zoology and morphology of vertebrate animals - Macalister, Alexander, 1844 -1919 (Hodges, Foster and Figgis, 1878)

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

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 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, 1940)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1898)

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1912)

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, 1827)

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, 1836)

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, 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, 1843)

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

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1845)

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

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

Iter Lapponicum - Linné, Carl von, 1707 -1778 (Almqvist & Wiksells boktr, 1913)

Iter per Poseganam Sclavoniae provincism mensibus junio, et julio anno 1782 - Piller, Mathias, 1733 -1788 (Typis Regiae Universitatis, 1783)

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

Izviestiia Imperatorskoi akademii nauk = Bulletin de l'Académie impériale des sciences de St.-Pétersbourg - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (Akademiia, 1894)

Jaarbericht - Club van Nederlandsche Vogelkundigen - Club van Nederlandsche Vogelkundigen. (Sneep & Maris, 1922)

Jacob Theodor Klein, weiland ältesten Sekretarius der Stadt Danzig ... verbesserte und vollständigere Historie der Vögel - Klein, Jacob Theodor, 1685 -1759 (Bey Johann Christian Schuster, 1760)

Jagdtierkunde; naturgeschichte der in Deutschland heimischen wildarten - Schäff, Ernst, 1861 -1921 (P.Parey, 1907)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1846)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1849)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (1862)

Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten - Hamburg (Germany). Oberschulbeh. Sektion f Wissenschaftlichen Anstalten. (Lucas Gr & Sillem, 1915)

Jahrbuch der Vogelkunde (Kosmos, Gesellschaft der Naturfreunde, 1908)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1897)

Jahrbücher des Nassauischen Vereins für Naturkunde - Nassauischer Verein für Naturkunde (J.F. Bergmann, 1908)

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