Samuel W. Taylor discusses his grandfather's 1886 revelation.
Samuel W. Taylor, Letter to Fred C. Collier, June 4, 1979, rep. in Unpublished Revelations of the Prophets and Presidents of the Church of Jesus Christ of Latter-day Saints, 2 vols.(Salt Lake City: Collier's Publishing, 1979), 1:158
Page 174 contain a copy of the 1886 Revelation written by Apostle John W. Taylor's own hand (see 1886 Revelation A Revelation of the Lord to John Taylor p. 9). Concerning this document, Samuel W. Taylor who is John W. Taylor's son stated the following in a letter to the author on June 4, 1979: “As for evidence, the very best is the copy of the revelation by my father, John W. Taylor. Certainly he knew President Taylor's handwriting. He copied the revelation in his own hand, and I can certify that this copy is in the handwriting of my father."