Works edit
- The Grand Cañon of the Colorado, 1902 by John Muir
- Titan of Chasms by Charles A. Higgins, John Wesley Powell and Charles Fletcher Lummis, illustrated by H. G. Peabody (1902)
- The Grand Canyon of Arizona; being a book of words from many pens, about the Grand Canyon of the Colorado River in Arizona (1902) (start transcription)
- "The Making of the Grand Canyon of the Colorado" in Popular Science Monthly, 69 (November 1906)
- "Grand Canyon," in Encyclopædia Britannica (11th ed., 1911)