Katona, Steven K. , Rough, Valerie & Richardson, David T. books & textbook
A Field Guide to the Whales, Porpoises and Seals of the Gulf of Maine and Eastern Canada: Cape Cod to Newfoundland
Katona, Steven K. , Rough, Valerie & Richardson, David T.
Scribner /1983T Paperback
isbn-10: 0684179024 / isbn-13: 9780684179025