Billboard  Buyer's Guide 1969-70 
Billboard 1969-08-30 Buyer's-Guide
Billboard 1969-08-30 Buyer's-Guide p381





[Magazine] Billboard 75th Anniversary (December 27, 1969) 
Billboard 1969-12-27 75th-Anniversary
Billboard 1969-12-27 75th-Anniversary t127
Billboard 1969-12-27 75th-Anniversary p104
 
 
 
★ [Magazine] Billboard Buyer's Guide 1970-71 (Sep 12, 1970) 

★ [Magazine] Billboard Buyer's Guide 1971-72 (Sep 18, 1971) 

★ [Magazine] Billboard Buyer's Guide 1972-73 (Oct 7, 1972) 

 
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