• Pictographs of the North American Indians. A preliminary paper: Fourth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1882-83, Government Printing Office, Washington, 1886, pages 3-256
• Picture-Writing of the American Indians: Tenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1888-89, Government Printing Office, Washington, 1893, pages 3-822
• Sign Language Among North American Indians Compared With That Among Other Peoples And Deaf-Mutes: First Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1879-1880, Government Printing Office, Washington, 1881, pages 263-552