Universal Indian Sign Language of the Plains Indians of North America

In 1926 William Tomkins of San Diego, California self-published Universal Indian Sign Language of the Plains Indians of North America.Together with a Dictionary of Synonyms Covering the Basic Words Represented. Also a Codification of Pictographic Word Symbols of the Ojibway and Sioux Nations. This work illustrated and defined 500 symbols checked with the members of the tribe members at the Sioux and Cheyenne agencies extending to inquiries at Fort Sulley and Fort Pierre, South Dakota.