AMERICAN CONTRACT BRIDGE. NATIONAL LAWS & RULES COMMITTEE.
The laws of duplicate contract bridge, by National Laws & Rules Committee, William E. McKinney, chairman.
AMERICAN CONTRACT BRIDGE. NATIONAL LAWS & RULES COMMITTEE. The laws of duplicate contract bridge, by National Laws & Rules Committee, William E. McKinney, chairman. © 2Dec35; A89735. National Laws & Rules Committee, American Contract Bridge (PWH); 22May63; R315961.
National Laws & Rules Committee, American Contract Bridge|PWH