An illustrated manual of British birds - Saunders, Howard, 1835 -1907 (Gurney and Jackson, 1889)

Illustrated natural history of the animal kingdom : being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1859)

Illustrated natural history of the animal kingdom, being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1859)

Illustrated natural history of the animal kingdom, being a systematic and popular description of the habits, structure, and classification of animals from the highest to the lowest forms, with their relations to agriculture, commerce, manufactures, and the arts - Goodrich, Samuel G. (Samuel Griswold), 1793 -1860 (Derby & Jackson, 1865)

Illustrations of British ornithology - Selby, Prideaux John, 1788 -1867 (Printed for the proprietor, and published by W.H. Lizars ; London : Longman, Rees, Orme, Brown, Green and Longman ; Dublin : W. Curry Jun. & Co, 1833)

Illustrations of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (John Mackay, Govt. Printer, 1914)

Illustrations of the zoology of South Africa : consisting chiefly of figures and descriptions of the objects of natural history collected during an expedition into the interior of South Africa, in the years 1834, 1835, and 1836, fitted out by "The Cape of Good Hope Association for Exploring Central Africa" : together with a summary of African zoology, and an inquiry into the geographical ranges of species in that quarter of the globe - Macleay, William Sharp, 1792 -1865 (Smith, Elder and Co, 1843)

Illustrirte naturgeschichte des thierreichs - Poeppig, Eduard, 1798 -1868 (J.J. Weber, 1851)

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

In the country; essays - Watkins, M. G. (Morgan George),‏ ‎ 1835 - (Satchell, 1883)

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, 1892)

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-catalogue of the birds in the Hancock collection - Howse, Richard. (Printed for the Natural History Society, 1899)

Index faunæ Novæ Zealandiæ - Hutton, Frederick Wollaston, 1836 -1905 (Dulau & Co, 1904)

Index faunæ Novæ Zealandiæ (Dulau & Co., 37 Soho Square, 1904)

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 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 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)

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, 1912)

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)

The interpretation of aerial surveys for seabirds : some effects of behaviour - Gaston, Anthony J 1946 - (Canadian Wildlife Service, 1984)

Introductio ad historiam naturalem sistens genera lapidum, plantarum, et animalium :hactenus detecta, caracteribus essentialibus donata, in tribus divisa, subinde ad leges naturae - Scopoli, Giovanni Antonio, 1723 -1788 (Apud Wolfgangum Gerle, 1777)

Introduction and succession of vertebrate life in America : An address delivered before the American Association for the Advancement of Science, at Nashville, Tenn., Aug. 30, 1877 - Marsh, Othniel Charles, 1831 -1899 (Tuttle, Morehouse & Taylor, 1877)

Introduction and succession of vertebrate life in America. An address delivered before the American Association for the Advancement of Science, at Nashville, Tenn., August 30, 1877 - Marsh, Othniel Charles, 1831 -1899 (Tuttle, Morehouse & Taylor, printers, 1878)

Introduction and succession of vertebrate life in America. An address delivered before the American Association for the Advancement of Science, at Nashville, Tenn, August 30, 1877 - Marsh, Othniel Charles, 1831 -1899 (Tuttle, Morehouse & Taylor, Printers, 1878)

An introduction to historical plant geography - Brissenden, Elizabeth. (Chronica Botanica Co, 1943)

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)

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)

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

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

The Irish naturalist - Royal Zoological Society of Ireland. (Eason & Son, Ltd, 1921)

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, 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, 1835)

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, 1839)

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)