1. Abbott, Willis J. 1913 Panama and the Canal in Picture and Prose. Syndicate Publishing Company, London, New York, Toronto, Havana, Buenos Aires.
2. Anderson Dr. C. L. G., 1911 Old Panama and Castillo Del Oro. North Rover Press, New York, NY.
3. Anonymous 1762 Plan of the Town, Road and Harbor of Chagre.
4. Bancroft, Hubert Howe 1887 History of Central America, Vol. III: 1801–1887. The History Company, San Francisco, CA.
5. Earle, Peter 1981 The Sack of Panamá: Captain Morgan and the Battle for the Caribbean. Thomas Dunne Books, New York, NY.