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31 |
Birds of the 1933 - 1934 Papuan expedition Mayr, Ernst. - New York : [American Museum of Natural History], 1937
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32 |
Hawks / Unit 2 1937, 2. ed., completely rev.
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33 |
Notes on the genus Sericornis gould Mayr, Ernst. - New York : American Museum of Natural History, 1937
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34 |
On a collection from Tanna, New Hebrides Mayr, Ernst. - New York : American Museum of Natural History, 1937
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35 |
Descriptions of twenty-five species and subspecies Mayr, Ernst. - New York : American Museum of Natural History, 1936
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36 |
New subspecies of birds from the New Guinea region Mayr, Ernst. - New York : American Museum of Natural History, 1936
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37 |
Two new subspecies of birds from New Guinea Mayr, Ernst. - New York : American Museum of Natural History, 1936
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38 |
Descriptions of twenty-five new species and subspecies Mayr, Ernst. - New York : American Museum of Natural History, 1935
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39 |
Twenty-four apparently undescribed birds from New Guinea and the D'Entrecasteaux Archipelago Mayr, Ernst. - New York : American Museum of Natural History, 1935
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40 |
Notes on some birds from New Britain, Bismarck Archipelago Mayr, Ernst. - New York : American Museum of Natural History, 1934
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