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

“ [491] regular train, which should have left at eleven, delayed. The party took berths in the sleeping-car, and without change of cars passed directly through Baltimore to Washington, where Mr. Lincoln arrived at half-past 6 o'clock in the morning and found Mr. Washburne anxiously awaiting him. He was taken into a carriage and in a few minutes he was talking over his adventures with Senator Seward at Willard's Hotel.” The remaining members of the Presidential party from whom Mr. Lincoln separated at Harrisburg left that place on the special train intended for him; and as news of his safe arrival in Washington had been already telegraphed over the country no attempt was made to interrupt their safe passage through Baltimore. As is now generally well known many threats had up to that time been made that Mr. Lincoln, on his way to Washington, should never pass through Baltimore alive. It was reported and believed that conspiracies had been formed to attack the train, blow it up with explosives or in some equally effective way dispose of the President-elect. Mr. Seward and others were so deeply impressed with the grave features of the reports afloat that Allan Pinkerton, the noted detective of Chicago, was employed to investigate the matter and ferret out the conspiracy, if any existed. This shrewd operator went to Baltimore, opened an office as a stock-broker, and through his assistants -the most adroit and serviceable of whom was a woman — was soon in possession of inside information. The change of plans and trains at Harrisburg was due to his management and advice. Some