Greene, Jack and Tucker, Spencer C. (2009), «Venezuela Crisis, Second [Архівовано 2020-01-26 у Wayback Machine.]», in Tucker, Spencer (ed), The encyclopedia of the Spanish-American and Philippine-American wars: a political, social, and military history, Volume 1, ABC-CLIO, pp676-7
Greene, Jack and Tucker, Spencer C. (2009), «Venezuela Crisis, Second [Архівовано 2020-01-26 у Wayback Machine.]», in Tucker, Spencer (ed), The encyclopedia of the Spanish-American and Philippine-American wars: a political, social, and military history, Volume 1, ABC-CLIO, pp676-7