Report of the United States Congress Joint Committee on the Conduct of the War, 1865 at University of Michigan Digital Library Production Service, University of Michigan  Hawes, J. W. (1879).
Truy cập ngày 19 tháng 3 năm 2008.  Report of the United States Congress Joint Committee on the Conduct of the War, 1865 at University of Michigan Digital Library Production Service, University of Michigan  J. W. Hawes (1879).