Ewan West (West, Ewan)

• 
  The Concise Oxford Dictionary of Opera
  by Ewan West, John Hamilton Warrack
  Softcover, Oxford Univ Pr, ISBN 0192800280 (0-19-280028-0)
• 
  The Oxford Dictionary of Opera
  by John Warrack, Ewan West
  Hardcover, Oxford Univ Pr, ISBN 0198691645 (0-19-869164-5)