Billy Cobham
About/Subject 7
 | NME July 26, 1975 | Bedsheet Magazine |
 | Soundi 6/1976 (N:o 17) | Bedsheet Magazine |
 | Sonics | Magazine |
 | Backspin #41 (Januar 2003) | Magazine |
 | Jazz Magazine N° 559 | Magazine |
 | Jazz thing 83 & blue rhythm | Magazine |
 | Jazz thing & blue rhythm 112 | Magazine |