Harriet Jacobs was born an enslaved person in Edenton, NC in 1813 . She escaped to the north and joined the abolitionist cause. During the Civil War, Jacobs nursed in Alexandria, VA for the Union Army and for the newly freed slaves living in the area. She is best known for her autobiography "Incidents in the life of a slave girl."
The full text of Jacob's book is available through Google Books: Incidents in the Life of a Slave Girl