Native American Images note : Over 1,500 sign language hand symbols of the Nez Perce language with thirty portraits of missionaries and Nez Perce Indians of Idaho from 1891-1938. Illustrations from different published works such as Gospel hymns in the Nez Perce language (1897); The Indian sign language and the invention of Mr. Lewis F. Hadley (Chicago, 1891); and Indian sign talk by In-go-nom-pa-shi. Also, clippings from various Presbyterian publications. Referenced in Freeman’s Guide to manuscripts relating to the American Indian (#4588).