A history of North American birds. Land birds - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown)

A history of the earth and animated nature - Cuvier, Georges, baron, 1769 -1832 (A. Fullarton, 1855)

A history of the earth and animated nature - Brown, Thomas, 1785 -1862 (A. Fullarton, 1840)

History of the earth and animated nature; with numerous notes from the works of the most distinguished British and foreign naturalists - Goldsmith, Oliver, 1730? -1774 (1859)

The hunter-naturalist - Webber, C.W. (Charles Wilkins), 1819 -1856 (Lippincott, Grambo & co, 1852)

The hunter-naturalist; romance of sporting; or, Wild scenes and wild hunters - Webber, C.W. (Charles Wilkins), 1819 -1856 (Lippincott, Grambo, 1854)

I. Jonstons Naeukeurige beschryving van de natuur der vier-voetige dieren, vissen en bloedlooze water-dieren, vogelen, kronkel-dieren, slangen en draken - Jonstonus, Joannes, 1603 -1675 (Bij I.I. Schipper, 1660)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1860)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1897)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1900)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1910)

Iconographic encyclopaedia of science, literature, and art - Baird, Spencer Fullerton, 1823 -1887 (R. Garrigue, 1851)

Illinois biological monographs - University of Illinois at Urbana-Champaign. (Univ. of Illinois Press, 1952)

Illustrated bird dictionary and note book : Water birds, game birds and birds of prey - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Co, 1912)

The illustrated natural history - Wood, J. G. (John George), 1827 -1889 (Routledge, Warne, and Routledge, 1863)

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)

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 the birds of California, Texas, Oregon, British and Russian America. : Intended to contain descriptions and figures of all North American birds not given by former American authors, and a general synopsis of North American ornithology - Cassin, John, 1813 -1869 (J.B. Lippincott & Co, 1862)

Illustrirtes Thierleben. Für Schule und Haus - Dümling, Hermann. (G. Brumder, 1879)

Importance, preservation and management of riparian habitat: a symposium, Tucson, Arizona, July 9, 1977 - Johnson, R. Roy (Raymond Roy), 1932 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1977)

Incidents of travel in Yucatan - Stephens, John L., 1805 -1852 (Harper & Brothers, 1843)

Incidents of travel in Yucatan - Catherwood, Frederick, 1799 -1854 (Harper & Brothers, 1843)

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 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 papers relating to the food of birds : by members of the Biological Survey in publications of the United States Department of Agriculture, 1885-1911 - McAtee, W. L. (Waldo Lee) 1883 -1962 (U.S. Dept.of Agriculture, Biological Survey, 1913)

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

The industries of animals - Houssay, Frédéric, 1860 -1920 (W. Scott, Ltd, 1899)

The industries of animals - Houssay, Frédéric, 1860 -1920 (W. Scott, ltd, 1893)

Insect life - United States. Division of Entomology. (G.P.O, 1888)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1889)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1893)

Insect life - United States. Bureau of Entomology. (Government Printing Office, 1897)

Insectes de la Sibérie : rapportés d'un voyage fait en 1839 et 1840 - Mochul'skiĭ, Viktor Ivanovich, 1810 -1871 (Académie impériale des sciences, 1844)

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

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1950)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1954)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1955)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1959)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1964)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2000)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2003)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2005)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2006)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2007)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2011)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2014)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2015)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 2018)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1820)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1824)

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, 1833)

Isis von Oken - Oken, Lorenz, 1779 -1851 (Expedition der Isis, 1834)

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

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

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

The IUCN Amphibia-Reptilia Red Data Book. Part 1 Testudines Crocodylia and Rhynchocephalia (1982)

The IUCN Mammal Red Data Book. Part 1: threatened mammalian taxa of the Americas and the Australasian zoogeographic region (excluding Cetacea) - Thornback, Jane. (IUCN, 1982)

The IUCN Mammal Red Data Book. Part 1: threatened mammalian taxa of the Americas and the Australasian zoogeographic region (excluding Cetacea) (1982)

Joannis Raii Synopsis methodica avium & piscium : opus posthumum, quod vivus recensuit & perfecit ipse insignissimus author: in quo multas species, in ipsius ornithologiâ & ichthyologia desideratas, adjecit: methodumque suam piscium naturæ magìs convenientem reddidit. Cum appendice, & iconibus - Ray, John, 1627 -1705 (Impensis Gulielmi Innys, 1713)

Joannis Raii Synopsis methodica avium & piscium : opus posthumum - Ray, John, 1627 -1705 (Impensis Gulielmi Innys, 1713)

Johann Lathams allgemeine Uebersicht der Vögel - Bechstein, Johann Matthäus, 1757 -1822 (In der kaiserlich privilegirten Kunst- und Buchandlung A.C. Weigels und Schneiders, 1793)

Johann Lathams allgemeine Uebersicht der Vögel - Bechstein, Johann Matthäus, 1757 -1822 (In der kaiserlich privilegirten Kunst- und Buchandlung A.C. Weigels und Schneiders, 1795)

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

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1896)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1989)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1991)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1992)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1993)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1996)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1997)

The journal of raptor research - Raptor Research Foundation. (Raptor Research Foundation, 1998)