The American Missionary — Volume 33, No. 10, October, 1879

The American Missionary — Volume 33, No. 04, April 1879

The American Missionary — Volume 33, No. 02, February, 1879

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, page