Gratz 1999, pp. 159, 160. Gratz, George A. (1999). The Brazilian Imperial Navy Ironclads, 1865-1874. London: Conway Maritime Press. ISBN0-85177-724-4. OCLC44885448
Gratz 1999, pp. 157, 159. Gratz, George A. (1999). The Brazilian Imperial Navy Ironclads, 1865-1874. London: Conway Maritime Press. ISBN0-85177-724-4. OCLC44885448
Gratz 1999, p. 162. Gratz, George A. (1999). The Brazilian Imperial Navy Ironclads, 1865-1874. London: Conway Maritime Press. ISBN0-85177-724-4. OCLC44885448
Gratz 1999, p. 159. Gratz, George A. (1999). The Brazilian Imperial Navy Ironclads, 1865-1874. London: Conway Maritime Press. ISBN0-85177-724-4. OCLC44885448
Koleśnik et al. 1979, p. 406. Koleśnik, Eugène M; Chesneau, Roger; Campbell, N. J. M. (1979). Conway's All the World's Fighting Ships, 1860-1905 1st American ed ed. New York: Mayflower Books. ISBN0-8317-0302-4. OCLC4775646 !CS1 manut: Texto extra (link)
Gratz 1999, pp. 159, 161-162. Gratz, George A. (1999). The Brazilian Imperial Navy Ironclads, 1865-1874. London: Conway Maritime Press. ISBN0-85177-724-4. OCLC44885448