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1 |
Ornithologen-Briefe des 20. Jahrhunderts Ludwigsburg, Auf der Schanz 23/2 : J. Hölzinger, 1997
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2 |
The auk / Vol. 67. (1950)
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3 |
Geographical variation in Accipiter trivirgatus Mayr, Ernst. - New York : American Museum of Natural History, [1949]
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4 |
A review of the dicaeidae Mayr, Ernst. - New York, NY : American Museum of Natural History, [1947]
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5 |
The auk / Vol. 64. (1947)
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6 |
The Wilson bulletin / Vol. 59, Nu. 1 (1947)
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7 |
The Wilson bulletin / Vol. 58, Nu. 1 (1946)
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8 |
Science and scientists in the Netherlands Indies New York, NY : Stechert [u.a.], 1945
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9 |
New subspecies of birds from the New Guinea region Mayr, Ernst. - New York : American Museum of Natural History, 1936
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10 |
Two new subspecies of birds from New Guinea Mayr, Ernst. - New York : American Museum of Natural History, 1936
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