TY - BOOK AU - Mallon,John TI - Opening leads and signals AV - GV1282.3 U1 - 795.41/53 18 PY - 1964///,1969] CY - New York PB - Collier Books KW - Contract bridge UR - http://www.archive.org/details/openingleadssign00mall UR - http://www.openlibrary.org/books/OL24368249M ER -