Gwel Clywch Gerdd

Llyfrau Am J.S. Brook

  • Reinventing Bach – Paul Elie – 2012
  • How Equal Temperament Ruined Harmony – Ross W. Duffin – 2007
  • The Art Of The Fugue – Joseph Kerman – 2005
  • Basically Bach – Herbert Kupferberg – 1985
  • Bach – Harvey Grace – Novello Short Biographies – 1938