Pittsburgh (PA) Gazette, October 31, 1857

   A GREAT stampede of slaves took place at Cambridge, Md., on Saturday night last. No less than thirty made their escape––fifteen belonging to Samuel Pattison, Esq., seven to Miss Jane Cator, one to Richard Keene; one to W.V. Brannock; one to Reuben D. phillips; one to the estate of Wm. D. Traverse, deceased, and two free negroes. These make forty four who have left that place within two weeks. Messrs. Pattison, Phillips and Brannock had offered a reward of $3,100 for the apprehension of their slaves.