^Clark, George B. (March 6, 2001). With the Old Corps in Nicaragua. Novato, CA: Presidio Press. p. 12.
^Musicant, Ivan (August 1990). The Banana Wars: A History of United States Military Intervention in Latin America from the Spanish–American War to the Invasion of Panama. New York City: Macmillan Publishing Company. p. 150.
^Langley, Lester D. (November 1, 2001). The Banana Wars: United States Intervention in the Caribbean, 1898–1934. Lexington: University Press of Kentucky. p. 68.
^Clark, George B. (March 6, 2001). With the Old Corps in Nicaragua. Novato, CA: Presidio Press. p. 13.
^Musicant, Ivan (August 1990). The Banana Wars: A History of United States Military Intervention in Latin America from the Spanish–American War to the Invasion of Panama. New York City: Macmillan Publishing Company. p. 151.
^Clark, George B. (March 6, 2001). With the Old Corps in Nicaragua. Novato, CA: Presidio Press. p. 13.
^Clark, George B. (March 6, 2001). With the Old Corps in Nicaragua. Novato, CA: Presidio Press. p. 12.