Whitney, Orson F. History of Utah, - Vol. I-IV (4). Salt Lake City, UT: G. Q. Cannon & Sons, 1892-1904.A wonderful database in four volumes, this is a historical narrative of Utah's founders, containing accounts of early Spanish and American Explorations in the Rocky Mountain Region, the settling of the Mormon Pioneers, the establishment and dissolution of the provisional government of the State of Deseret, and the subsequent creation and development of the Territory.