Whitney South Sea Expedition Loyalty Islands survey - American Museum of Natural History (1937)

Whitney South Sea Expedition Loyalty Islands log - American Museum of Natural History (1938)

Whitney South Sea Expedition Journal and letters of William F. Coultas - American Museum of Natural History (1929)

Whitney South Sea Expedition Journal and notes of Hannibal Hamlin - American Museum of Natural History (1928)

Whitney South Sea Expedition Journal and letters of William F. Coultas - American Museum of Natural History (1933)

Wild birds and their haunts (a book for students and sportsmen) - Halliday, W. (Heath, Cranton limited, 1922)

Wild birds at home. Sixty photographs from life 2nd series - Kirk, Charles, 1872 -1922 (Gowans & Gray, ltd, 1910)

The wild-fowl and sea-fowl of Great Britain - Jordan, Denham (Chapman and Hall, ld, 1895)

The wild-fowler : a treatise on ancient and modern wild-fowling, historical and practical - Folkard, Henry Coleman, 1827 -1914 (Longman, Green, Longman, and Roberts, 1864)

The wild-fowler : a treatise on ancient and modern wild-fowling, historical and practical - Folkard, Henry Coleman, 1827 -1914 (Piper, Stephenson, and Spence, 1859)

Wild life in China ; or, Chats on Chinese birds and beasts - Lanning, George, 1852 -1920 ("The National Review" Office, 1911)

Wild life in China, or, Chats on Chinese birds and beasts - Lanning, George, 1852 -1920 ("The National Review", 1911)

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

Wild Norway; with chapters on Spitzbergen, Denmark, etc - Chapman, Abel, 1851 -1929 (Arnold, 1897)

Wild sports of the West - Maxwell, W. H. (William Hamilton), 1792 -1850 (T. Fisher Unwin, 1851)

Wild sports of the west - Maxwell, W. H. (William Hamilton), 1792 -1850 (Talbot Press, 1910)

Wild sports of the West; interspersed with legendary tales, and local sketches - Maxwell, W. H. (William Hamilton), 1792 -1850 (D. Bryce, 1832)

Wild sports of the west : with legendary tales, and local sketches - Maxwell, W. H. (William Hamilton), 1792 -1850 (R. Bentley, 1843)

William Brewster correspondence. Clinton Hart Merriam and Brewster - Merriam, C. Hart (Clinton Hart), 1855 -1942 (1896)

William Brewster correspondence. Letters from Putnam Burton Peabody - Brewster, William, 1851 -1919 (1907)

William McLennan Personal Papers : Letters - Mathews, Gregory Macalister Gregory Macalister 1876 -1949 (1920)

The Willughby Society [publications] - Scopoli, Giovanni Antonio, 1723 -1788 (The Society, 1882)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1902)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1907)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1912)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1920)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1925)

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, 1933)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1934)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1937)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1940)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1952)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1956)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1957)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1961)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1967)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1968)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1969)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1972)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1973)

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

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1982)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1984)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1987)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1988)

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, 1995)

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, 2003)

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

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

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

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

Wilson's American ornithology : with notes by Jardine ; to which is added a synopsis of American birds, including those described by Bonaparte, Audubon, Nuttall, and Richardson - Brewer, T. M. (Thomas Mayo), 1814 -1880 (Otis, Broaders, and Co, 1840)

Wilson's American ornithology, with notes by Jardine. To which is added a synopsis of American birds, including those described by Bonaparte, Audubon, Nuttall, and Richardson, by T.M. Brewer - Brewer, T. M. (Thomas Mayo), 1814 -1880 (T.L. Magagnos, 1854)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1870)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1869)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1883)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1884)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1888)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1853)

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

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1937)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1951)

Die Wirbelthiere der Memminger Gegend; ein Beitrag zur bayerischen Fauna - Büchele, Johannes. (C. Fischach, 1860)

Die wirbelthiere Europa's - Blasius, J. H. (Johann Heinrich), 1809 -1870 (F. Vieweg und sohn, 1840)

Wissenschaftliche Ergebnisse der Schwedischen zoologischen Expedition nach dem Kilimandjaro, dem Meru und den umgebenden Massaisteppen Deutsch-Ostafrikas 1905-1906 - Sjöstedt, Yngve, 1866 - (Almoqvist & Wiksells, 1908)

Wissenschaftliche ergebnisse der Schwedischen zoologischen expedition nach dem Kilimandjaro, dem Meru und den umgebenden Massaisteppen Deutsch-Ostafrikas 1905-1906, unter leitung von prof. dr. Yngve Sjöstedt - Sjöstedt, Yngve, 1866 - (Tryckt hos P. Palmquists aktiebolag, 1910)

Wissenschaftliche Ergebnisse der Schwedischen zoologischen Expedition nach dem Kilimandjaro, dem Meru und den umgebenden Massaisteppen Deutsch-Ostafrikas 1905-1906 - Sjöstedt, Yngve, 1866 - (Almoqvist & Wiksells, 1906)

Die wissenschaftlichen Ergebnisse der Vega-Expedition - Nordenskiöld, A. E. (Adolf Erik), 1832 -1901 (Brockhaus, 1883)

With nature and a camera : being the adventures, and observations of a field naturalist and an animal photographer - Kearton, Richard, 1862 -1928 (Cassell and Co. Limited, 1897)

With rod and gun in New England and the maritime provinces; with valuable supplementary chapters - Samuels, Edward A. (Edward Augustus), 1836 -1908 (Samuels & Kimball, 1897)

Wodarch's Introduction to the study of conchology : describing the orders, genera, and species of shells : with observations on the nature and properties of the animals and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Longman, Rees, Orme, Brown, and Green ... 1833, 1833)

Wodarch's introduction to the study of conchology : describing the orders, genera, and species of shells : with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Rees, Orme, Brown, and Green and by S. Mawe, 1831)

Wodarch's introduction to the study of conchology : describing the orders, genera, and species of shells : with observations on the nature and properties of the animals and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Hurst, Rees, Orme, and Browne and by J. Mawe, 1825)

Wodarch's introduction to the study of conchology: describing the orders, genera, and species of shells: with observations on the nature and properties of the animals; and directions for collecting, preserving, and cleaning shells - Mawe, John, 1764 -1829 (Published by Longman, Rees, Orme, Brown, and Green, ... and by J. Mawe, 1827)

Wonders of the bird world - Sharpe, Richard Bowdler, 1847 -1909 (Frederick A. Stokes company, 1921)

Wonders of the bird world - Sharpe, Richard Bowdler, 1847 -1909 (Frederick A. Stokes company, 1898)

World Checklist of Threatened Birds (1990)

World Checklist of Threatened Birds (1993)

Wörterbuch der biologie. Von dr. Heinrich Schmidt - Schmidt, Heinrich, 1874 -1935 (A. Kröner, 1912)

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)