M. Del Aguila, Juan
Academic America Encyclopedia C-Cit #4     1996
p. 192

Suchlicki, Jaime
The WorldBook Encyclopedia #3     1995
p. 283

Microsoft Encarta Encyclpedia     1996
Fidel Castro
Bay of Pigs
Fulgencio Batista

Compton's A Britannica Publication C-Child #4    1990
p. 200