21 February 1844 (Wednesday Evening). Upper Room, Red Brick Store. 
Joseph Smith Diary, by Willard Richards
Rev Mr De.Wolf,  Churchman, Lectured in the assembly room in the eve. I attended & after sermon—at his request, spoke to the people to show them that to get salvation we must not only do somethings but every thing which God had commanded to get salvation. 
—21 February 1844
 See History of the Church, 6:223, and Teachings, p. 332. These reports are based on the Joseph Smith Diary, by Willard Richards.
 . The Reverand DeWolf, an Episcopalian minister, had preached in Nauvoo the previous year on 11 June 1843.
 See 11 June 1843, note 25.