Here are some Lead Belly links:
http://www.hlmusic.com/lbsngbk.htm A new songbook with tablature and notation for 32 of Lead Belly's songs
http://cycad.com/cgi-bin/Leadbelly/index.html This site was set up by Gavan Tredoux. It is very thorough and has the discography from the Wolfe-Lornell book. This site has an automated mailing list for those wishing to discuss questions or comments about Lead Belly and his music. to get on mailing list: http://cycad.com/cgi-bin/Leadbelly/list.html
Some recent Lead Belly tribute albums:
Long John Baldry: http://www.johnbaldry.com/ He has a wonderful CD of Lead Belly songs "Remembering Lead Belly"
Odetta made a wonderful tribute album of Lead Belly material: Looking For A Home
this is a story with maps and photos about Lead Belly gravesite. Written Nov. 1997
http://www.bozosoft.com/mike/writings/leadbelly.html A paper that was pubished on the internet with a bibliography. This is a rather amateur job from 1994. It is more a synopsis of the writings of John and Alan Lomax. This kind of poor scholarship has been superceded by the excellent work that Sean Killen and the Lead Belly Society has done over thelast few years.
http://www.folkways.si.edu/ Smithsonian /Folkways Recordings. Huge collection of first quality Lead Belly material. a wonderful source for Huddie's recordings.