Haring 1969, p. 46. Haring, Clarence H. (1969). Empire in Brazil: a New World Experiment with Monarchy. Cambridge: Harvard University Press. OCLC310545470
Haring 1969, p. 49. Haring, Clarence H. (1969). Empire in Brazil: a New World Experiment with Monarchy. Cambridge: Harvard University Press. OCLC310545470
Haring 1969, p. 131. Haring, Clarence H. (1969). Empire in Brazil: a New World Experiment with Monarchy. Cambridge: Harvard University Press. OCLC310545470