Henry Louis Gates, Jr. e Evelyn Brooks-Higginbotham (a cura di), The African American National Biography, New York, New York, Oxford University Press, 2008, p. 205, ISBN 978-0-19-516019-2.
«"He was one of four children of Miguel Angel Rosa and Maria Hernandez. (There is no information regarding the reason why he was given only his mother's last name.)"»