I am happy to provide links to other related sites, and some are shown below. If you would like me to include a link to your site, please contact me.
Lynn Bilton's Automated Music Show
Century-Old Sounds and its Little Wonder records page
Mark Lyon's Audio and Sound Restoration
Tim Brooks' Television and Record Industry History Resources
UniSquare.com (buy and sell music – including vinyl – online)
Business Studies: Broadcasting and Its History
Diane Balogh's blog Telecommunications history: broadcasting