Billboard (March 20, 1976) 
Billboard (1976-03-20)
Billboard (March 27, 1976) 
Billboard (1976-03-27)
Billboard (April 3, 1976) 
Billboard (1976-04-03)
 
Billboard (April 10, 1976) 
Billboard (1976-04-10) a
Billboard (1976-04-10) b
Billboard (1976-04-10) c
Billboard (1976-04-10) d
 
 
Billboard (April 17, 1976) 
Billboard (1976-04-17)
 
Billboard (May 1, 1976) 
Billboard (1976-05-01)
 
 
Billboard (May 29, 1976) 
Billboard (1976-05-29)
 
Billboard (June 12, 1976) 
Billboard (1976-06-12)
 
Billboard (August 28, 1976) 
Billboard (1976-08-28)

 
Billboard (October 16, 1976) 
Billboard (1976-10-16)
 
 
Billboard (June 26, 1976) 
Billboard (1976-06-26)
 
Billboard (September 25, 1976) 
Billboard (1976-09-25)
 
 
Billboard (January 8, 1977) 
Billboard (1977-01-08)

 
 
★ [Magazine] Natural Gas / Cash Box (March-October 1976) 
★ [Magazine] Natural Gas / Record World (March-July 1976) 
★ Natural Gas 
★ [Magazine] 音楽専科 (1976年8月号) / Natural Gas インタビュー 
★ Natural Gas (Gonzo: HST465CD) / Live From The Vault (Gonzo: HST467CD) 
★ [Bootleg] Natural Gas / Live from the Vault (Aug 17, 1976) 
★ [Can Badge Maker] Natural Gas 
★ [Natural Gas の半分] Magnet / Worldwide Attraction (1979) 
 
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