Are there any good field guides to marine mammals available?

Carwardine, M. 1995. Whales, Dolphins and Porpoises. Dorling Kindersley Publishing, Inc., 95 Madison Ave., NY 10016. 256p.

Jefferson, T.A., S. Leatherwood and M.A. Webber. 1993. Marine Mammals of the World. Food and Agriculture Organization (F.A.O.) of the United Nations, Viale delle Terme di Caracalla, 00100 Rome, Italy. 320p.

Jefferson, T.A., S. Leatherwood, L.K.M. Shoda, R.L. Pitman. 1992. Marine Mammals of the Gulf of Mexico. A Field Guide for Aerial and Shipboard Observers. Texas A & M University Printing Center, College Station, TX 77843. 92p.

Katona, S.K., V. Rough and D.T. Richardson. 1993. A Field Guide to Whales Porpoises and Seals From Cape Cod to Newfoundland. Fourth Edition. Smithsonian Institution Press, Washington, DC. 316p.

Katona, S.K., V. Rough and D.T. Richardson. 1983. A Field Guide to the Whales, Porpoises and Seals of the Gulf of Maine and Eastern Canada - Cape Cod Bay to Newfoundland. Third Edition. Charles Scribner's Sons, NY. 255p.

Katona, S., D. Richardson and R. Hazard. 1975. Whales and Seals of the Gulf of Maine. Maine Coast Printers, Rockalnd, ME [ISBN 0-916080-01-3]. 97p.

Leatherwood, S. and R.R. Reeves. 1983. The Sierra Club Handbook of Whales of Dolphins. Sierra Club Books, San Francisco, CA. 302p.

Leatherwood, S., D.K. Caldwell and H.E. Winn. 1976. Whales, Dolphins and Porpoises of the Western North Atlantic. NOAA Tech. Rept. NMFS CIRC-396, Seattle, WA. For sale by: Supt. Of Documents, Printing Office, Washington, DC. [Stock no. 003-020-00119-0] 176p.