In Indian Mexico (1908)

Viaje a America, Tomo 1 de 2 Estados Unidos, Exposición Universal de Chicago, México, Cuba y Puerto Rico

Pattie's Personal Narrative, 1824-1830; Willard's Inland Trade with New Mexico, 1825, and Downfall of the Fredonian Republic; and Malte-Brun's Account of Mexico

Indian Linguistic Families of America, North of Mexico Seventh Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1885-1886, Government Printing Office, Washington, 1891, pages 1-142