Abstract Primarily diaries, including those kept as a Church of Jesus Christ of Latter-day Saints missionary in Great Britain (1866-1868), during his presidency of the Cache Stake (1878-1881), his ordination as a Church apostle (1879), and his work opening the Mexican Mission for the Church (1880-1881). The other major items are two letter books (1888-1890 and 1902-1903). The former is a prime source for background on the Church's colonization of Mexico. Miscellaneous items include scrapbooks...