Bates, Henry Parrots and related birds / Henry J. Bates and Robert L. Busenbark ; edited and expanded by Matthew M. Vriends. - 3a ed - Neptune City, N.J. : T.F.H. Publications , c1978. - 543 p. : il. Subjects--Topical Terms: Parrots Dewey Class. No.: AUD 598.7 BAT