Missing songwriting credits

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I've added songwriting credits for what I know to be cover versions on this album, but can't find credits for the following 4 tracks:

  • Rock'n Roll
  • Blood Stream
  • My Guitar
  • Gimme The Gun

The review by Thom Jurek for AllMusic mentions that some of the songs are Hill originals. Can anyone confirm that the tracks I have listed were written by Rocky Hill?