http://www.antiquephono.org The nation's largest organization devoted to vintage phonographs and records

http://www.78rpm.com Nauck's Vintage Records – The nation's premier auctioneer of 78 rpm records.

http://mainspringpress.com/ Mainspring Press – Great publisher serving collectors and researchers of historic sound recordings.

http://www.holdridgerecords.com/ Holdridge Records – Another fine auctioneer of vintage and rare 78 rpm records

http://victor.library.ucsb.edu/ The University of California at Santa Barbara is compiling The Encyclopedic Discography of Victor Records

http://www.victor-victrola.com/ Comprehensive website dedicated to the phonographs of the Victor Talking Machine Co.

http://majesticrecord.com/labels.htm Neat site with loads of label pictures.

http://www.edisonphonology.com/problems1.htm Some things to watch for with Diamond Discs

http://www.intertique.com Lynn Bilton's excellent site for all things phonographic