Woolsey, Kit Modern defensive signalling in contract bridge / Kit Woolsey. - Luisville, Kentucky : Devyn Press, 1992. - 64 p. ; 21 cm - The Blue Ribbon series ; 1 . - Blue Ribbon series . ISBN: 0910791406 pbk. Subjects--Topical Terms: Contract bridge.Contract bridge--Opening leads. Dewey Class. No.: 795.4153