Statistics for occurrence #1 of “Mr. Lincoln” in chapter 7, page 241 of Edward L. Pierce, Memoir and letters of Charles Sumner: volume 4:

... the tranquillity with which the vast power he held passed to his successor. Mr. Johnson was at the bedside of the dying President only two minutes, about two o'clock in the morning. The heart of Mr. Lincoln ceased to beat at twenty-two minutes after seven o'clock in the morning. I left the bedside at once, and going to the door in the gray of a drizzling morning found General Halleck just getting into...
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