HERSHKOVITZ, P.
1966. Catalog of living whales. Bull. U.S. Natl. Mus. 246, 259 p.
KELLOGG, R.
1940. Whales, giants of the sea. Natl. Geogr. Mag. 77:35-90.
LAYNE, J. N.
1965. Observations on marine mammals in Florida waters. Bull. Fla. State Mus., Biol. Sci. 9:131-181.
LEATHERWOOD, S., W. E. EVANS, and D. W. RICE.
1972. The whales, dolphins, and porpoises of the eastern north Pacific. A guide to their identification in the water. Nav. Underseas Cent., Tech. Publ. 282, 175 p.
LOWERY, G. H., JR.
1974. The mammals of Louisiana and its adjacent waters. Louisiana State Univ. Press, Baton Rouge, 565 p.