Black Freedom Struggle in the United States:

Letter of the Secretary of War, transmitting, in answer to a resolution of the Senate of the 4th ultimo, copies of all instructions given to commanding generals in pursuance of the acts of Congress approved August 6, 1861, setting free slaves who have been employed, by the consent of their masters, against the government of the United States.

Instructions given to commanding generals under act of Congress of August 6, 1861, setting free enslaved persons employed by consent of their masters against United States, 1862