Harry Stewart was a book dealer specializing in Western history. He operated businesses in Boise, ID, and Tucson and Tombstone, AZ, where he was also curator of the Wyatt Earp Museum.
Papers include correspondence relating to book trade and personal life, catalogs relating to western paraphernalia, material from the New Mexico College of Agriculture and Mechanic Arts, notes, and news clippings with photographs featuring Harry Stewart. Also includes correspondence from Otto Perry, railroad photographer.