I recommend the following passed on by a reader
Making sure you know about Jas Obrecht's new blog. Jas wrote for Guitar Player & Frets from '78 to 98, as well as Living Blues Mag. He's currently republishing his archive of work at his blog, completely unedited.
Tons of serious Blues content that's never been seen before. His latest post is about Son House. Be sure to check it out, and let others know.