4 literature references for Seiurus aurocapillus furvior Batchelder, 1918:

Year: 1996
Source: database, NODC Taxonomic Code
Author: Dickinson, Edward C., ed.
Year: 2003
Source: The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition
Author: David, Normand, and Michel Gosselin
Year: 2002
Title: Gender agreement of avian species names
Source: Bulletin of the British Ornithologists' Club, vol. 122, no. 1
Author: American Ornithologists' Union
Year: 1945
Title: Twentieth supplement to the American Ornithologists' Union Check-list of North American Birds
Source: The Auk, vol. 62, no. 3