Discover the fun and challenge of duplicate bridge
LESSON 5 - One in a Suit Opening bids
Advanced Bridge Bidding for the 21st Century: An Up-To-Date Presentation of the Two-Over-One Game Forcing Bidding System Used by the Top Players in th by Max Hardy (Oct 1 2002): aa: Amazon.com:
Understanding bidding systems | South Coast Sun
Bridge Bidding Cheat Sheet | Blueberry Bridge
The Barton System: Advanced Control Asking Bridge Bidding System (Hardcover) | Barrett Bookstore
Bridge Conventions - Play Online Bridge
Bridge: card game rules
How to play bridge? The bridge rules explained.
The Precision Bidding System In Bridge By C.C. Wei edited by Alan Truscott | eBay
How to play Bridge & Game Rules – PlayingCardDecks.com