4 literature references for Baeolophus inornatus (Gambel, 1845):

Author: Gill, Frank, and Minturn Wright
Year: 2006
Source: Birds of the World: Recommended English Names
Author: Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes
Year: 2003
Source: Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
Year: 2007
Source: website, Zoonomen - Zoological Nomenclature Resource, 2007.03.27
Author: Cicero, Carla
Year: 2000
Title: Oak Titmouse (Baeolophus inornatus) and Juniper Titmouse (Baeolophus ridgwayi)
Source: The Birds of North America, no. 485