The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1960)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1966)

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, 1980)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1989)

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

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

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

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

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)

Wilson's American ornithology with additions including the birds described by Audubon, Bonaparte, Nuttall, & Richardson - Wilson, Alexander, 1766 -1813 (C.L. Cornish, 1839)

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, 1862)

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, 1879)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1878)

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, 1930)

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, 1945)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1979)

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)

Wissenschaftlich-populäre Naturgeschichte der Vögel in ihren sämmtlichen Hauptformen - Fitzinger, Leopold Joseph, 1802 -1884 (Kaiserl. Königl. Hof und Staatsdruckerei, 1863)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1897)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1902)

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

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)

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 (1993)

World Checklist of Threatened Birds (1990)

The world's birds a simple and popular classification of the birds of the world - Finn, Frank, 1868 -1932 (Hutchinson & co, 1908)

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)

xin jiang sheng wu duo yang xing - Yuan, Guoying (xin jiang ke xue ji shu chu ban she, 2008)

Year book, the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (The Academy, 1923)

A year with the birds - Fowler, W. Warde (William Warde), 1847 -1921 (B. H. Blackwell, 1886)

A year with the birds - Fowler, W. Warde (William Warde), 1847 -1921 (Macmillan and co., limited, 1914)

A year with the birds - Fowler, W. Warde (William Warde), 1847 -1921 (Macmillan and co, 1891)

A year with the birds - Fowler, W. Warde (William Warde), 1847 -1921 (Macmillan, 1891)

The Young naturalist (1883)

The Young naturalist (1884)

yun nan sheng wu duo yang xing ji qi bao hu yan jiu - Yang Yuming, Wang Juan, Wang Jianhao & Pei Shengqi. (ke xue chu ban she, 2008)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1880)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1905)

Zeitschrift des Mährischen Landesmuseums - Hucke, Karl. (Die Gesellschaft, 1906)