Sensei's Library - Sensei's is a collaborative Go site, where everyone can contribute. It contains a large quantity of Go information.
GoProblems.com - This site is home to many java-based Go problems, the problems can be sorted by genre or difficulty.
Go Base - Go Base is a database of go information, with a large collection of professional games, fuseki, and joseki.
AGA - The American Go Association is the coordinating body for the go clubs of the United States. See their many web resources.
goclub&ocf.berkeley.edu
Please replace & with @ in the email, just to prevent spam...
For more information about this and other local go clubs you may also contact the founder of our forty year tradition of go clubs in Berkeley-- Herb Doughty at 510-843-3784 or herb@lmi.net