Vesey-FitzGerald, Brian, 1900-1981 Background to birds / by Brian Vesey-Fitzgerald ; with 25 half-tone reproductions of photographs. - London : Cassell, 1948. - 122 p. : ill. ; 21 cm. ISBN: (Hbk.) 10.00 Subjects--Topical Terms: Birds.Birds--Behavior. Dewey Class. No.: 598.15