For more info, try these:

Internet Lute Society
http://www.internetlutesociety.com/

The Lute Society of America
http://www.cs.dartmouth.edu/~lsa/index.html

The Lute Society (U.K.)
http://www.lutesoc.co.uk/

Some links pages:

http://home.clara.net/brucebrook/links.htm

http://www.wadsworth-lutes.co.uk/links.htm

http://www.lutyst.dircon.co.uk/links.htm