The Pampaconas River. The Geographical Journal, XLIV, 211–214, August, 1914. 2 pl., map.
The Story of Machu Picchu. National Geographic Magazine, XXVII, 172–217, February, 1915. Illus.
Types of Machu Picchu Pottery. American Anthropologist, XVII, 257–271, April–June, 1915. Illus., 1 pl.
The Inca Peoples and Their Culture. Proceedings of Nineteenth International Congress of Americanists, Washington, D.C., pp. 253–260, December, 1915.
Further Explorations in the Land of the Incas. National Geographic Magazine, XXIX, 431–473, May, 1916. Illus., 2 maps.
Evidences of Symbolism in the Land of the Incas. The Builder, II, No. 12, 361–366, December, 1916. Illus.
(With Dr. George S. Jamieson:)
Lake Parinacochas and the Composition of its Water. American Journal of Science, XXXIV, 12–16, July, 1912. Illus.
Isaiah Bowman:
The Geologic Relations of the Cuzco Remains. American Journal of Science, XXXIII, No. 196, 306–325, April, 1912. Illus.