Brig.-Gen. Bradley T. Johnson, Confederate Military History, a library of Confederate States Military History: Volume 2.1, Maryland
Clement Anselm Evans, Ed.

[20] had seceded, the North was marching. Maryland was the outpost to receive the first attack. At that hour there was no division of opinion. The State rights clubs had been flying the secession flag, the stars and bars of the Confederacy, and the palmetto of South Carolina. The Union clubs had over their halls the stars and stripes; but during the afternoon of April 18th the Union flags were hauled down and the State flag of Maryland everywhere substituted. And the black and gold was everywhere saluted with cheers, with shouts, with tears. The telegraph gave hourly notice of the approach of the enemy. General Butler had left Boston; he had passed New York; he had gone through Philadelphia; he was on the Susquehanna. What next? Maryland held her breath. Through New England their route had been an ovation. Down Broadway in New York the people went wild, as they did through New Jersey and Philadelphia. There were eleven companies of Massachusetts troops attached to the Sixth Massachusetts under command of Colonel Jones. At Philadelphia an unarmed and ununiformed mob of Pennsylvanians, called a regiment, under Colonel Small, was added to Colonel Jones' command. They came in a train of thirty-five cars and arrived at the President street station at 11 a. m. Thence it was the custom of the railroad company to haul each car across the city, over a track laid in the street, to Camden station of the Baltimore & Ohio railroad, a distance of a little over a mile. Nine cars with seven companies got through to Camden station. But that was as much as human nature could bear. The mob of infuriated men increased every minute and the excitement grew. The stones out of the street flew up and staved in the car windows. The drivers unhitched their teams, hitched to the rear of their cars and made all haste back to President Street station, where had been left the unarmed Pennsylvanians and the rest of the Massachusetts regiment. These men were marched out of the station,