Shoshoni contribution to the Lewis and Clark Expedition.

Correspondence and notes relating to Idaho's Native American history; manuscript copies of "Western State Names of Indian Origin: Idaho Gem of the Mountains", "The Shoshoni Contribution to the Lewis and Clark Expedition", "Notes on Old Fort Lemhi" and "Arapaho Massacre Told in Petroglyphs" by Judge James L. Fuller, edited by Rees; and correspondence concerning Sacajawea.