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Four New Birds from Newfoundland Harry C. Oberholser

by Swarth, H. S.
Published in The Condor (1914)

Biological Investigations in Alaska and Yukon Territory Wilfred H. Osgood

by Swarth, H. S.
Published in The Condor (1909)

Report on Birds Collected and Observed during April, May, and June, 1913, in the Okanagan Valley, from Okanagan Landing South to Osoyoos Lake E. M. Anderson Report of Birds Collect...

by Swarth, H. S.
Published in The Condor (1915)

The Subspecies of Branta Canadensis (Linnaeus)

by Swarth, H S
Published in The Auk (1920)

The Subspecies of Branta Canadensis (Linnaeus)

by Swarth, H. S.
Published in The Auk (1920)

Birds and mammals of the Stikine river region of northern British Columbia and southeastern Alaska ...

by Swarth, H. S. Harry Schelwald, 1878-1935
Published 2015

Birds of Nunivak Island, Alaska

by Swarth, H. S. (Harry Schelwald), 1878-1935
Published 2003