For your convenience and enrichment, here are
a few hyperlinks to other pertinent resources.
 

1. A Broadcast Engineer in Korea—1957 by John D. Harmer
   
   
2. AES (The Audio Engineering Society)
   
   
3. AFTRA (American Federation of Television and Radio Artists)
   
   
4. ASCAP (The American Society of Composers, Authors and Publishers)
   
   
5. The Audities Foundation (A non-profit corporation dedicated to the
   preservation of electronic musical instruments, recording technology
   and associated documentation for the arts)
   
   
6. BCMICS (Western Historic Radio Museum)
   
   
7. The British Sound Recording Association
   
   
8. BEA (The Broadcast Education Association)
   
   
9. BMI (Broadcast Music, Inc.)
   
   
10. Classic Microphones (The Bert van Oortmarssen collection)
    
    
11. Collectors Weekly (The microphone collection section)
    
    
12. Communication Pioneers Biographical Dictionary
    
    
13. Czechoslovakian Microphone Museum
    
    
14. ENAK Microphone Repair
    
    
15. Federal Communications Commission
    
    
16. Harmonica Masterclass (Vintage Blues Harmonica Microphone Museum)
    
    
17. HRTS (Hollywood Radio and Television Society)
    
    
18. KPCS (The story of how and when KPCC got its start)
    
    
19. Lloyd Budhram’s Microphone Classics
    
    
20. Los Angeles Radio People (Industry rumors and gossip)
    
    
21. Microphone Sensitivity Conversion (International standards
    have established 1 Pascal as 94 dB-SPL)
    
    
22. The Microphone Vault (Contemporary and vintage microphone archives)
    
    
23. NAB (National Association of Broadcasters)
    
    
24. NAMM (National Association of Music Merchants)
    (also known as the International Music Products Association)
    
    
25. Neumann’s history of its microphones
    
    
26. “Old Mics,” a superb historical mic site in the Czech Republic
    
    
27. Old Radio Broadcasting Equipment and Memories
    (A history of the BBC’s Broadcasting House)
    
    
28. Old Time Radio: Radio Days (Source for the history of
    nostalgic and old time radio series and news)
    
    
29. Red Blanchard’s Old-Time Radio Reminiscing
    
    
30. Shure Vintage Catalogs 1933-1979
    
    
31. SBE (The Society of Broadcast Engineers)
    
    
32. SESAC (The Society of European Stage Authors and Composers)
    
    
33. SGA (The Songwriters Guild of America)
    
    
34. SMPTE (The Society of Motion Picture and Television Engineers)
    
    
35. Southern California Broadcasters Association Job Alert Newsletter
    
    
36. Silvia Classics Microphone Restoration
    
    
37. The Turner Microphone Story Courtesy of Eric Braun
    
    
38. Vintage Broadcast Microphones (Downloadable microphone data sheets)
    
    
39. Vitaphone Varieties: “Observations on Film, Music and Imagery of the Past”
    
    

Please report broken links to Prof. Coutant.