Laws of duplicate contract bridge:  laws of progressive bridge, laws of pivot bridge, 1949/ 
National Laws Commission 
 - American ed. 
 - Philadelphia, Pennsylvania,  John C. Winston,  c1949 
 - xi, 80 p.;  18 cm. 
 - The international code .
<br/><br/><label>ISBN: </label> $ 1.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contract bridge--Rules<br/>Duplicate contract bridge<br/>Bridge players<br/>Contract bridge--Collections of games
<br/><br/><label>Dewey Class. No.: </label>795.415