Bates, Hank Introduction to finches and softbills / Hank Bates and Busenbark Bob. - S. l. : T. F. H., 1968. - 96 p.; ill. ; col. ill. ; 18 cm. - 598.2 (NLA) . ISBN: 0876664230 Subjects--Topical Terms: Орнитология Universal Decimal Class. No.: 598.2 (NLA)