The Guinness book of records / Norris and Ross McWhiurter. - 20th ed. - London : Guinness Superlatives, c 1973. - 350 p. : ill. ; 29 cm. Includes index. 345 345 ISBN: 0 900424 13 3 Subjects--Topical Terms: Knowledge. Dewey Class. No.: 001 / G948