Mormon History, Dec 1, 1845

[Anointed Quorum] Unnamed males and John M. Bernhisel clothed and prayed in the temple . Without mentioning prayer, Joseph Smith, History of The Church of Jesus Christ of Latter-day Saints, Period I: History of Joseph Smith the Prophet, andÂ…Period II: From the Manuscript History of Brigham Young and Other Original Documents, ed. B. H. Roberts, 7 vols. [Salt Lake City: Church of Jesus Christ of Latter-day Saints, 1902-32; 2d ed. rev. -Salt Lake City: Deseret Book Co., 1978]. states that Brigham Young "met with several of the Twelve, the Temple Committee, and Trustees in the council chamber over the store."

[source: Quinn, D. Michael, The Mormon Hierarchy: Origins of Power, Signature Books, 1994, Appendex: Meetings and Initiations of the Anointed Quorum, 1842-45, http://amzn.to/origins-power]