The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1994)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1995)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1996)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1997)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1998)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1999)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2000)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2005)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2006)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2007)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2008)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2009)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2010)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2011)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2012)

The Wilson quarterly - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Chapter of the Agassiz Association, 1892)

Winter sunshine - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1901)

Winter sunshine - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1917)

Winter sunshine - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1902)

Winter sunshine - Burroughs, John, 1837 -1921 (Houghton, Mifflin and company, 1901)

Wireworms attacking cereal and forage crops - Hyslop, James Augustus, 1884 -1953 (U.S. Dept. of Agriculture, 1915)

Wood notes wild, notations of bird music - Cheney, John Vance, 1848 -1922 (Lee and Shepard, 1892)

Workshop proceedings: management of western forests and grasslands for nongame birds, February 11-14, 1980, Salt Lake City, Utah - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, Rocky Mountain Forest and Range Experiment Station, and Intermountain Region, 1980)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1895)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1879)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1905)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1908)

The writings of John Burroughs. [v.1-20 - Burroughs, John, 1837 -1921 (Houghton, Mifflin and Co, 1904)

A year with the birds; a guide to the naming of 100 birds commonly to be seen in Connecticut - Fuertes, Louis Agassiz, 1874 -1927 (1905)

A year with the birds - Flagg, Wilson, 1805 -1884 (Educational Publishing Company, 1889)

A year with the birds - Flagg, Wilson, 1805 -1884 (Educational Publishing Company, 1890)

A year with the birds; or, The birds and seasons of New England - Flagg, Wilson, 1805 -1884 (Educational publishing co, 1889)

A year with the birds; or, The birds and seasons of New England - Flagg, Wilson, 1805 -1884 (Estes and Lauriat, 1881)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1895)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1912)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1894)

Yearbook of the United States Department of Agriculture - United States. Department of Agriculture. (G.P.O, 1895)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

Zeitschrift für die gesammte Ornithologie - Madarász, Gyula, 1858 -1931 (Franklin-Verein, 1884)

Zeitschrift fur Oologie (H. Hocke, 1894)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1905)

Zoe:a biological journal (Zoe Publishing Co, 1893)

Zoología agrícola mexicana - Mexico. Secretaría de Fomento (Oficina Tip. de la Secretaría de Fomento, 1898)

The zoological quarterly bulletin - Surface, H. A. (Harvey Adam), 1867 -1941 (Wm. Stanley Ray, state printer of Pennsylvania, 1904)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1874)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1886)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1896)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1901)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1904)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1909)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1910)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1913)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1915)

Zoological series - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey, 1892)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1872)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1877)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1880)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1884)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1900)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1889)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1888)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1893)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1898)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)

The Zoologist : a monthly journal of natural history (1877)

The Zoologist : a monthly journal of natural history (1885)

The Zoologist : a monthly journal of natural history (1891)