Needham, James G. 1868-1956. The life of inland waters; an elementary textbook of fresh-water biology for students, by James G. Needham and J. T. Lloyd. - 3d ed. - London : Comstock Publishing Co., 1937. - 438 p. ill. "Selected bibliography": p. 413-419. LCCN: 38-018692 Subjects--Topical Terms: Freshwater biology. Dewey Class. No.: 591.929