Pemberton, J. C. (. C. "Sketch of the Route of General Worth's Column from Chapultepec to the Alameda in the attack upon the City of Mexico, 13th & 14th September 1847.". Alabama Department of Archives and History.

Pemberton, John C. (John Clifford). "Sketch of the Route of General Worth's Column From Chapultepec to the Alameda in the Attack Upon the City of Mexico, 13th & 14th September 1847.". Alabama Department of Archives and History.

Pemberton, John C. (John Clifford). "Sketch of the Route of General Worth's Column From Chapultepec to the Alameda in the Attack Upon the City of Mexico, 13th & 14th September 1847.". Alabama Department of Archives and History.