From the Richmond Dispatch, 8/19/1864, p.1, c. 6
Yankee Prisoners. – About one dozen Yankees, captured by our forces on the north side of James river, were consigned to the Libby prison yesterday. Among the number was a negro fellow named A. Wiswall, who holds a commission as a second lieutenant of the company G, Ninth United States (colored) troops. He was quartered with the whites.