ACBL (American Contract Bridge League): http://www.acbl.org/
Results of Mountain View Duplicate Bridge Club games:
Useful games and programs that may be downloaded or purchased.
Bridge Mentor A bridge teaching program for beginning and intermediate level players: http://www.bridgegame.com/
Learn to Play Bridge tutorial. This FREE program was written by one of the top bridge software authors. Download the program onto your computer, and take the lessons at your own pace, offline. You don't need any prior card playing experience to take these lessons. ACBL is providing this $60 program to you free to promote bridge: ACBL Learn to Play Bridge