Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1871)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1880)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1994)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1886)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1888)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1896)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1899)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1903)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1904)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1909)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1911)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1914)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1920)

Ibis - British Ornithologists' Union (Published for the British Ornithologists' Union by Academic Press, 1877)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1945)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1955)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1960)

Illinois Audubon bulletin - Illinois Audubon Society. (Illinois Audubon Society, 1971)

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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)

Illustrations of the nests and eggs of birds of Ohio : with text - Jones, Howard, 1853 -1945 ([s.n.], 1886)

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

In Audubon's Labrador - Townsend, Charles Wendell, 1859 -1934 (Houghton Mifflin Company, 1918)

In the Acadian land ; nature studies - McLeod, Robert Randall. (B. Whidden, 1899)

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

Insectivorous birds of Manitoba - Atkinson, George E., 1870 -1913 (Stovel, 1903)

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Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1963)

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

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1973)

Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1977)

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Iowa bird life - Iowa Ornithologists' Union. (Iowa Ornithologists' Union, 1983)

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

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Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1858)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1859)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1860)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1861)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1862)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1869)

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

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1874)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1878)

Journal für Ornithologie - Deutsche Ornithologen-Gesellschaft (Friedländer, 1880)

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Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1873)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1875)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1876)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1886)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1888)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1871)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1893)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1894)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1895)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1896)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1898)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1899)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1900)

Journals of William Brewster, 1871-1919 (inclusive) - Brewster, William, 1851 -1919 (1901)