Waste-land wanderings - Abbott, Charles Conrad, 1843 -1919 (Harper & brothers, 1887)

Waste-land wanderings - Abbott, Charles Conrad, 1843 -1919 (Harper & Brothers, 1887)

The water birds of North America - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown, and Company, 1884)

The water birds of North America - Baird, Spencer Fullerton, 1823 -1887 (Little, Brown, 1884)

Water Birds on the Edge: first circumpolar assessment of climate chage impact of Arctic breeding water birds. WCMC Biodiversity Series 11 - Zöckler, Christoph (UNEP-WCMC, 2000)

The water-fowl family - Bishop, Louis B. (Louis Bennett), 1865 -1950 (The Macmillan company, 1903)

The water-fowl family - Fuertes, Louis Agassiz, 1874 -1927 (The Macmillan Company, 1903)

The water-fowl family - Bishop, Louis B. (Louis Bennett), 1865 -1950 (Macmillan, 1903)

The water fowl of India and Asia - Finn, Frank, 1868 -1932 (Thacker, Spink & Co, 1909)

Waterfowl migration corridors east of the Rocky Mountains in the United States - Bellrose, Frank C. (Frank Chapman), 1916 -2005 (State of Illinois, Natural History Survey Division, 1968)

Waterfowl of Illinois : status and management - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1999)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2002)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1974)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1975)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1976)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1977)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1984)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1994)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1995)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1996)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1999)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2005)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2006)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2007)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2010)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2012)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1975)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1977)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1978)

The wheat plant: its origin, culture, growth, development, composition, varieties, diseases, etc., etc - Klippart, John H. (John Hancock), 1823 -1878 (A.O. Moore & company, 1860)

The wild fowl of the United States and British possessions; or, The swan, geese, ducks, and mergansers of North America - Elliot, Daniel Giraud, 1835 -1915 (F. P. Harper, 1898)

The wild fowl of the United States and British possessions : or, The swan, geese, ducks, and mergansers of North America ... - Elliot, Daniel Giraud, 1835 -1915 (Suckling, 1898)

The wild fowl of the United States and British possessions, or, The Swan, geese, ducks, and mergansers of North America with accounts of their habits, nesting, migrations, and dispersions, together with descriptions of the adults and young, and keys for the ready identification of the species : a book for the sportsman, and for those desirous of knowing how to distinguish these web-footed birds and to learn their ways in their native wilds - Elliot, Daniel Giraud, 1835 -1915 (F. Harper, 1898)

Wild life of the world : a descriptive survey of the geographical distribution of animals - Lydekker, Richard, 1849 -1915 (F. Warne and co, 1916)

Wildbirds of New York / by Chester A. Reed - Reed, Chester A. (Chester Albert), 1876 -1912 (Mohonk salesrooms, 1912)

Wildlife of the Atlantic coast salt marshes - McAtee, W. L. (Waldo Lee) 1883 -1962 (U.S. Dept. of Agriculture, 1939)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1898)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1908)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1914)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1915)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1916)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1917)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1918)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1922)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1926)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1927)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1930)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1931)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1933)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1935)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1945)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1946)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1949)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1950)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1951)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1955)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1959)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1962)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1963)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1965)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1975)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1976)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1979)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1981)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1983)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1985)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1990)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1991)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1992)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1993)

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

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, 2004)

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)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1932)

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

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

Wondertooneel der nature : geopent in eene korte beschryvinge der hoofddeelen van de byzondere zeldsaamheden daar in begrepen : in orde gebragt en bewaart - Hooghe, Romeyn de, 1645 -1708 (Gedrukt by François Halma, 1706)

World Checklist of Threatened Birds (1990)

World Checklist of Threatened Birds (1993)

Wörterbücher der Naturgeschichte : in der deutschen, holländischen, dänischen, schwedischen, englischen, französischen, italienischen, Spanischen und Portugisischen Sprache - Nemnich, Philipp Andreas, 1764 -1822 (Adam Friedrich Böhme, 1798)

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

The Young naturalist (1890)

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

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1854)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1871)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1911)

Zeitschrift fur Oologie (H. Hocke, 1894)

Zeitschrift fur Oologie (H. Hocke, 1895)

Zeitschrift fur Oologie (H. Hocke, 1901)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1908)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1912)

Zentralblatt für Zoologie, allgemeine und experimentelle Biologie (B.G. Teubner, 1913)

Zoe:a biological journal (Zoe Publishing Co, 1892)

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

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1939)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1881)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1887)

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

The Zoological record - Zoological Society of London. (J.V. Voorst, 1906)