Brigham Henry Roberts was a Mormon leader, historian, and politician who published a six-volume history of The Church of Jesus Christ of Latter-day Saints (LDS Church) and was denied a seat as a member of United States Congress because of his practice of plural marriage.

Joseph Smith's Mission Necessary

Lecture by Elder B. H. Roberts, of Centerville, Delivered Under the Auspices of the Mutual Improvement Association, in the Fourteenth Ward Assembly Rooms, Salt Lake City, Monday Evening, January 28th, 1884

Volume 25, discourse 18, pages 130-143