Thirteenth annual exhibition, Carnegie Institute, Pittsburgh, 1909

DataCite | 1908

Official proceedings - 12th Annual International Bridge Conference and Exhibition, June 19 - 21, 1995, Pittsburgh Hilton and Towers, Pittsburgh, Pennsylvania, USA

TIBKAT | 1995

Official proceeding - 15th Annual International Bridge Conference and Exhibition : June 15 - 17, 1998, Pittsburgh Hilton and Towers, Pittsburgh, Pennsylvania, USA

Pitzer, Gerald J. | TIBKAT | 1998

Official proceedings - 14th Annual International Bridge Conference and Exhibition, June 2 - 4, 1997, Pittsburgh Hilton and Towers, Pittsburgh, Pennsylvania, USA

Schubert, Charles M. | TIBKAT | 1996

Official proceedings - 13th Annual International Bridge Conference and Exhibition, June 3 - 5, 1996, Pittsburgh Hilton and Towers, Pittsburgh, Pennsylvania, USA

Kline, Eric S. | TIBKAT | 1996