Handwritten word lists. The items are lists of words from Indian languages with their English equivalents. One list is associated with the "Snake" (Shoshoni) Indians of Idaho, and the other is believed to relate to the Shisika Indians. The date of composition of the materials is uncertain. They were probably written some time in the late nineteenth century.

Typewritten autobiography. Hess was born in Franklin County, Pennsylvania and was converted to the Mormn Church in 1834. He lived with the Mormons in Missouri and Illinois and witnessed persecutions in both places. He was a member of the "Mormon Battalion" during the war with Mexico, migrated to Utah, married several women, served as a legislator in Utah, and served as a missionary to the "Washakie" (Shoshoni) Indians.

Photocopies of handwritten diaries. The materials cover the years 1866 to 1868, 1878 to 1881, and 1883 to 1884. Thatcher writes about his missionary activities in Mexico and to the Shoshoni and Crow Indians.

Handwritten diaries. The materials cover the years 1866 to 1868, 1878 to 1881, and 1883 to 1884. Thatcher writes about his missionary activities Great Britain for the Mormon Church and to the Crow and Shoshoni Indians. He also tells of his life in Logan, Utah.