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Useful birds and their protection. Containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the means of attracting and protecting birds - Massachusetts. State Board of Agriculture. (1907)

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Vertebrate ecology in the northern neotropics - Eisenberg, John Frederick 1935 -2003 (Smithsonian Institution Press, 1979)

Vertebrate species of special interest or concern : mammals, birds, reptiles, amphibians, fishes - Flath, Dennis L. (Wildlife Division, Montana Dept. of Fish, Wildlife and Parks, 1984)

Vertebrates of Ontario - Nash, Charles W. (Charles William), 1848 -1926 (Print. by order of the Legislative Assembly of Ontario by L.K. Cameron, 1908)

Vertebrates of Ontario - Nash, Charles W. (Charles William), 1848 -1926 (L.K. Cameron, 1908)

Vertebrates of Ontario - Nash, Charles W. (Charles William), 1848 -1926 (L. K. Cameron, 1908)

The vertebrates of the Cayuga Lake basin, N. Y - Reed, H. D. (Hugh Daniel), 1875 -1937 (1909)

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The Warbler (Mayflower Pub. Co, 1913)

The Warbler (Mayflower Pub. Co, 1910)

The Warbler (Mayflower Pub. Co, 1906)

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The warblers of North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton & Company, 1907)

The warblers of North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1917)

The warblers of North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1914)