"The Coming of the Civil War" (1942) ISBN 0-226-11894-0* Donald, David Herbert, Baker, Jean Harvey, and Holt, Michael F. "The Civil War and Reconstruction.
"The Coming of the Civil War" (1942) ISBN 0-226-11894-0* Donald, David Herbert, Baker, Jean Harvey, and Holt, Michael F. "The Civil War and Reconstruction.