Oberholser H. C., 1896: Descriptions of two new subspecies of the dowmy woodpecker, Dryobates pubescens (Linnaeus). 4 pp.
50
2
80849
Oberholser H. C., 1899: A revision of the wrens of the genus Thryomanes Sclater. 30 pp.
295
12
80850
Oberholser H. C., 1900: A list of the birds collected by Mr. R. P. Currie in Liberia. 14 pp.
95
4
80851
Oberholser H. C., 1900: Catalogue of a collection of birds from Madagascar. 14 pp.
95
4
80852
Oberholser H. C., 1900: Notes on birds collected by doctor W. L. Abbott in Central Asia. 24 pp.
195
8
AVE 156
Oberholser H. C., 1900: Notes on birds from the Cameroons district, West Africa. 9 pp.
50
2
AVE 157
Oberholser H. C., 1900: Notes on some birds from Santa Barbara Islands, California. 6 pp.
50
2
80853
Oberholser H. C., 1902: Catalogue of a collection of hummingbirds from Ecuador and Colombia. 34 pp.
295
12
80854
Oberholser H. C., 1903: List of birds collected by William T. Foster in Paraguay. 21 pp.
195
8
AVE 158
Oberholser H. C., 1903: Some new South American birds. 10 pp.
50
2
80855
Oberholser H. C., 1904: A review of the wrens of the genus Troglodytes. 15 pp.
150
6
80856
Oberholser H. C., 1904: A revision of the American great horned owls. 16 pp.
150
6
AVE 159
Oberholser H. C., 1904: Descriptions of a new african weaver-bird. 1 pp.
50
2
AVE 160
Oberholser H. C., 1906: Notes on birds from German and British East Africa. 11 pp.
50
2
80857
Oberholser H. C., 1909: A revision of the kingfisher genus Ramphalcyon (Pelargopsis). 23 pp.
195
8
80858
Oberholser H. C., 1911: A monograph of the flycatcher genera Hypothymis and Cyanonympha. 31 pp.
295
12
80859
Oberholser H. C., 1911: A revision of the forms of the hairy woodpecker Dryobates villosus (Linnaeus). 28 pp.
250
10
80860
Oberholser H. C., 1913: A revision of the forms of the great blue heron (Ardea herodias Linnaeus). 29 pp.
250
10
80533
Oberholser H. C., 1914: A monograph of the genus Chordeiles Swaison, type of a new family of goatsuckers. 5 plates, 123 pp.
990
40
80861
Oberholser H. C., 1915: A review of the subspecies of the ruddy kingfisher, Entomothera coromanda (Linnaeus). 19 pp.
150
6
80862
Oberholser H. C., 1916: A synopsis of the races of the crested tern, Thalasseus bergii (Lichtenstein). 13 pp.
95
4
AVE 161
Oberholser H. C., 1916: Critical notes on the subspecies of the spotted owl, strix occidentalis (Xantus). 7 pp.
50
2
80863
Oberholser H. C., 1917: The birds of Bawean Island, Java Sea. 16 pp.
150
6
AVE 162
Oberholser H. C., 1919: A review of the subspecies of the leach petrel, Oceanodroma leucorhoa (Vieillot). 8 pp.
50
2
80864
Oberholser H. C., 1919: Birds collected by Dr. W. L. Abbott on various Islands in the Java Sea. 24 pp.
195
8
80865
Oberholser H. C., 1920: A revision of the subspecies of the white-collared kingfisher, Sauropatis chloris (Boddaert). 45 pp.
395
16
80867
Oberholser H. C., 1920: Notes on the wrens of the genus Nannus Billberg. 14 pp.
95
4
80868
Oberholser H. C., 1920: The birds of the Tambelan Islands, South China Sea. 15 pp.
95
4
AVE 164
Oberholser H. C., 1920: The races of the Nicobar megapode, Megapodius nicobariensis Blyth. 4 pp.
50
2
AVE 165
Oberholser H. C., 1925: Notes on birds collected by Dr. W. L. Abbott on the Karimata Islands, off West Borneo. 4 pp.
50
2
80869
Oberholser H. C., 1937: A revision of the clapper rails (Rallus longirostris Boddaert). 42 pp.
395
16
7266
Obhlídal F., 1977: Ornitologická příručka. 302 pp. Druhé vydání
95
4
ZME 81251
Oijen M. J. P. van, Roselaar C. S., 2007: Notes on types and early specimens of Bombycivora japonica von Siebold, 1824, and of Bombycilla phoenicoptera Temminck, 1828. 8 pp. Zoologische Mededelingen Leiden 81: 251-258.
50
2
BMT 13297
Olson L., Violani C., 1995: Some unusual hybrids of Ramphocelus, with remarks on evolution in the genus (Aves: Thraupinae). 16 pp. (in English). Bolletino del Museo regionale di Scienze Naturali – Torino 13(1): 297-312.
150
6
AVE 166
Olson S. L., Violani C., 1995: Some unusual hybrids of Ramphocelus, with remarks on evolution in the genus (Aves: Thraupinae). 16 pp.
50
2
AVE 167
Orgeira T. J. L., 1995: Seabird observations of the Argentine Atlantic shore between Tierra del Fuego and Buenos Aires. 11 pp.
50
2
BMT 13105
Orgeira T. J. L., 1995: Seabird observations of the Argentine Atlantic shore between Tierra del Fuego and Buenos Aires. 11 pp. (in Italian). Bolletino del Museo regionale di Scienze Naturali – Torino 13(1): 105-115.
50
2
NBB 523
Ortlieb R., Helbra, 1981: Die Sperber. Die Neue Brehm – Bücherei 523. 144 pp.
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