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Washington, DC, 1930 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1933 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1932 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1922 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1885 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2005
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Washington, DC, 1937 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1937 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1935 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Washington, DC, 1933 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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Wiley, 1927
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Oxford University Press (OUP), 1925
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The American Ornithologists' Union, 1925
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Oxford University Press (OUP), 1923
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The American Ornithologists' Union, 1923
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Oxford University Press (OUP), 1923
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The American Ornithologists' Union, 1923
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Oxford University Press (OUP), 1923
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The American Ornithologists' Union, 1923
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Oxford University Press (OUP), 1923
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The American Ornithologists' Union, 1923