Mullin, K.D. & Higgins, L.V. & Jefferson, T.A. & Hansen, L.J. (1994)
Sightings of the Clymene Dolphin (Stenella clymene) in the Gulf of Mexico. Marine Mammal Science, 10(4), 464–470
DOI: 10.1111/j.1748-7692.1994.tb00502.x

Perryman, W.L. & Au, D.W.K. & Leatherwood, S. & Jefferson, T.A. (1994)
Melon-headed whale Peponocephala electra Gray, 1846. In S.H. Ridgway & R. Harrison (eds.), Handbook of Marine Mammals, Vol. 5. Academic Press, London & San Diego (pp. 363–386)

Barron, P.B. & Jefferson, T.A. (1993)
First records of the melon-headed whale (Peponocephala electra) from the Gulf of Mexico. Southwestern Naturalist, 38(1), 82–85

Würsig, B. & Jefferson, T.A. (1990)
Methods of Photo-Identification for Small Cetaceans. Reports Int Whal Commision., 12, 43–52
DOI: 10.1098/rsbl.2010.0638