Birds of the Rockies
By: by Leander S. Keyser... with eight full-page plates [four in color] by Louis Agassiz Fuertes; many illustrations in the text by Bruce Horsfall, and eight views of localities from photographs; with a complete checklist of Colorado birds.
Publisher: A. C. McClurg and co.
Published: 1902
Place of publication: Chicago
Subjects: Birds -- Colorado.; Birds.