Mormon History, Oct 5, 1845

[Anointed Quorum] morning "the 12 met with 3 or 4 others for prayer" .

[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]