Opie, Iona Archibald. Children's games in street and playground : chasing, catching, seeking, hunting, racing, duelling, exerting, daring, guessing, acting, pretending / by Iona and Peter Opie. - Oxford : Clarendon Press, 1969 . - xxvi, 371 p. : ill. ; 24 cm. Includes bibliographical references and index. Subjects--Topical Terms: Games--HistoryGames--Great Britain LC Class. No.: GV1203 Dewey Class. No.: 790