Norris, Kenneth S. The porpoise watcher : a naturalist's experiences with porpoises and whales / by Kenneth S. Norris. - 1st ed. - New York : Norton, c1974. - 250 p. : ill. ; 21 cm. ISBN: 0393063852 LCCN: 74-1329 Subjects--Topical Terms: Cetacea.Whales.Porpoise.