Statistics for occurrence #1 of “Mr. Lincoln” in chapter 18, page 508 of William H. Herndon, Jesse William Weik, Herndon's Lincoln: The True Story of a Great Life, Etiam in minimis major, The History and Personal Recollections of Abraham Lincoln by William H. Herndon, for twenty years his friend and Jesse William Weik:
...er to the cordial invitation, at last made the journey to Washington.
One day while there, she relates, in order to calm his mind, to turn his attention away from business and cheer him up, I took Mr. Lincoln down through the conservatory belonging
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