If you wish me to add a link, just holler & I'll attach it here.
http://www,mudcat.org/ - The Mudcat Cafe - Online Blues & Folk Magazine with lyrics, discussion forum, etc
http://www.geocities.com/hriczucsah/ - Kurt Hriczucsah's Blues Video Page
http://www.khpvideo.at/ Karl Heinz Peschka's Video Trade Site
http://hubcap.clemson.edu/~campber/rsrf.html/ - Red Saunders Research Foundation (Excellent RnB Source)
http://www.mustrad.org.uk/ - Musical Traditions Online Magazine - (a fountain of knowledge - heaps of incredible info!)
http://www.vjmuk.demon.co.uk/ - Vintage Jazz Mart [UK site] (If your a 78 record collector you NEED this magazine!)
http://www.rainerjazz.com - Rainer Jazz Website - focusing on jazz and jazz 78 rpm labels
http://www.lotz-verlag.de/ - Rainer Lotz's excellent discographical site & more...
http://www.people.zeelandnet.nl/koerthchkz/ - HIT OF THE WEEK- DURIUM Project 1930 - 2000.
http://www.vicinities.com/durium/ - The meeting place for all durium collectors.
http://www.baddogblues.com/nighthawk/ - Robert Nighthawk Site
http://www.revgarydavis.com/ - Rev. Gary Davis Site - excellent site
http://memory.loc.gov/ammem/lohtml/ - Library of Congress Site - check out the pix - great stuff!
http://www.hotplatters.com/ - HotPlatters Site for LPs, 45s, 78s, Reel to Reel, videos, Songsheets, Cassettes, Photos, etc...
http://www.mo-net.com/~djb/ - Dee's Musical Memories (Antique Phonographs, parts and more...)
http://www.michiganantiquephonographsociety.org/ - Michigan Antique Phonograph Society
http://www.countysales.com/ - County Record Sales for all your country/bluegrass wants, has abbreviated newsletter online.
http://www.bluesworld.com/ - The title says it all , an excellent site.
http://sunsite.kth.se/ - Site contains discography of pre-war reissues on microgroove and CD.
http://www.sonicfoundry.com/ - Sound Forge Homepage
http://www.jabw.demon.co.uk/ - John Wright's site of 78's and Filmology listings(British/American) Dance Bands, Popular & Jazz
http://www.mindspring.com/~oth/ - Old-Time Herald Magazine (must for string band fans!)
http://www.frii.com/~gnat/banjo/tab/ - Banjo Tabs
http://www.techpublishing.com/hartford/ - John Hartford Web Page
http://www.megasaver.com/page2/ad4.html - The Secret Museum of Mankind Web Page
http://www.kabusa.com/ - KAB Electro Acoustics Web Page
http://www.masterdigital.com/ - Master Digital Web Page
http://www.yazoobluesmailorder.com/ - Yazoo Records Web Page
http://www.78rpm.com/ - Nauck's Vintage Records
http://www.geocities.com/Broadway/Stage/4196/ - John Culme's Web Page
http://www.island.net/~blues/index.html - BluesWeb
http://www.garlic.com/~tgracyk/ - Tim Gracyk's Web Page
http://www.ptnostalgia.com - Excellent Movie Nostalgia Site
http://members.aol.com/antqedison/index.html/ - Antique Edison Web Page - Buy & Sell Vintage records,Radios & Phonographs