George Edward Anderson reports that John Whitmer was firm in his testimony before his death.
George Edward Anderson, Journal, 1907, 28 in Dan Vogel, Early Mormon Documents, 5 vols. (Salt Lake City, UT: Signature Books, 2003), 5:251
[Philander Page was] With John Whitmer during his last sickness, about a week. [Whitmer] Was firm to his testimony of the Book o f Mormon, and it was frequently referred to during his last illness.