Helen Liebeck (Liebeck, Helen)

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  The Oxford Paperback Dictionary
  by Elaine Pollard, Helen Liebeck
  Softcover, Oxford Univ Pr, ISBN 0192800124 (0-19-280012-4)
• 
  The Oxford English Minidictionary
  by Helen Liebeck, Elaine Pollard
  Softcover, Oxford University Press, ISBN 0198600976 (0-19-860097-6)
• 
  The Oxford Large Print Dictionary
  by Elaine Pollard, Helen Liebeck
  Hardcover, Oxford University Press, ISBN 0198613229 (0-19-861322-9)
• 
  The Oxford Minidictionary
  by Elaine Pollard, Helen Liebeck
  Softcover, Oxford University Press, Incorporated, ISBN 0198613245 (0-19-861324-5)