A field guide to whales, porpoises, and seals from Cape Cod to NewfoundlandSteven K. Katona · First published 1993Open the Tome
A field guide to the whales, porpoises, and seals of the Gulf of Maine and eastern CanadaSteven K. Katona · First published 1983Open the Tome
Photographic identification of individual humpback whales (Megaptera novaeangliae)Steven K. Katona · First published 1979Open the Tome
A field guide to the whales and seals of the Gulf of MaineSteven K. Katona · First published 1977Open the Tome
Humpback whales (Megaptera novaeangliae) in the western North AtlanticScott D. Kraus, Steven K. Katona · First published 1977Open the Tome
