Walker, Kathrine Sorleye The Royal Ballet : a picture history / Katherine Sorley Walker and Sarah C. Woodcock - London : Threshold/Corgi, 1981 - 144 p. : molt il.; 29 cm LCCN: 10341 Subjects--Corporate Names: Royal Ballet--Història Universal Decimal Class. No.: 793.4.07 ROYAL B 793.4 (roy) WAL