usbf.org More focused on the U.S. international representation in bridge
acbl.org The hub for clubs and tournaments in the United States
bridgewinners.com The brainchild of Gavin Wolpert and company - great reading, news, and discussion resource
bridgeclues.com Mike Lawrence's website of daily puzzles
bridgebum.com Good compilation of conventions and articles
bridgeguys.com Good compilation of conventions and articles
bridgebuddy.net Website full of bridge supplies
bridgebase.com/forums Akin to Bridgewinners, a great forum for problems encountered at the table
Must Read Publications (Where Can I Buy These?)
Hughes, Roy "Building a Bidding System"
Kelsey, Hugh - anything
Lawrence, Mike - anything
Reese, Terence - anything
Rodwell, Eric "The Rodwell Files"
Root, William S. "How to Defend a Bridge Hand"
"How to Play a Bridge Hand"
Seagram, Barbara 25 Conventions Series
Karen Walker on Lebensohl over Takeout Doubles
Pavlicek's Hand Discussions