Fuaiupu 1: O Zedtwitz o le peresitene o le American Bridge League i le 1932, o se tasi o faalapotopotoga na tuufaatasia e faavae ai le American Contract Bridge League i le 1937. Fuaiupu 2: O Von Zedtwitz o le peresitene o le 1932 o le American Contract Bridge League, o se tasi o faalapotopotoga na tuufaatasia e faavae ai le American Bridge League i le 1937. Fesili: Pe tutusa le uiga o le fuaiupu 1 ma le fuaiupu 2? Ioe pe leai?
E leai