ALS, one page both sides, 8.25 x 11, personal letterhead, December 27. Letter of introduction for Reverend Francis Clark. In part: “The bearer of this letter, Rev. Francis E. Clark, of Boston, Mass, is one of the most distinguished men in this country, and I take great pleasure in commending him to the courtesy and confidence of those among whom he goes. As the founder of the Christian Endeavor Society he has brought the world under obligation to him and his present trip abroad is made with a view to further service.” Letter is affixed by the lower portion of the reverse to a 9.5 x 13.5 off-white sheet. In very good condition, with intersecting folds, a few creases, and scattered light toning and soiling. RRAuction COA.