Hedges, Sid G. Crawl and butterfly swimming/ Sid G. Hedges; illustrated by James E. Kirk - London: Methuen, 1954 - x, 117 p.: ill.; 18 cm. ISBN: £ 7s. 6d. Subjects--Topical Terms: SwimmingSwimming--Crawl strokeSwimming--Butterfly stroke Dewey Class. No.: 797.2