An avid record keeper, Woodruff served more than thirty years as an assistant church historian, and played a key role in writing the official history of the church. His diary, covering the years 1834 to 1898, is one of the significant records of nineteenth- century Mormonism. "I have never spent any of my time more profitably for the benefit of mankind than in my Journal writing," he wrote. Wilford Woodruff dies in San Francisco on 2 September 1898.
See: Scott G. Kenney, ed., Wilford Woodruff's Journal 1833-1898 (1983); Matthias F. Cowley, Wilford Woodruff (1964). Dean C. Jessee, "Wilford Woodruff," in Leonard J. Arrington, ed., The Presidents of the Church (1986); Thomas G. Alexander, Things In Heaven And Earth: The Life and Times of Wilford Woodruff, a Mormon Prophet (1991).