CULBERTSON, ELY.
Summary of contract bridge improved Culbertson system, 1941. NM: revisions.
CULBERTSON, ELY. Summary of contract bridge improved Culbertson system, 1941. NM: revisions. © 17Feb41; A150285. Josephine Culbertson (W); 12Feb69; R460152.
Josephine Culbertson|W