Emmens, C. W. How to keep and breed tropical fish / C.W. Emmens. - Rev. ed. - Neptune City, NJ : T.F.H. Publications, c1974. - 256 p. : ill. (some col.) ; 21 cm. Includes index. ISBN: 0876664990 LCCN: 84100489 Subjects--Topical Terms: PeixePeixe--Tropical LC Class. No.: SF457 / .E46 1974 Dewey Class. No.: 597