Dictionary of Contemporary American Usage

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• Dictionary of contemporary American usage /
  gan: Evans, Bergan
  Cyhoeddwyd: (1957)
• Dictionary of contemporary American usage. /
  gan: Evans, Bergen
  Cyhoeddwyd: (1957)
• Dictionary of contemporary American usage/
  gan: Evans ,Bergen and Evans ,Cornelia
• A dictionary of contemporary American usage
  gan: Evans, Bergen, et al.
  Cyhoeddwyd: (1957)
• A Dictionary Of Contemporary American Usage /
  gan: Evans, Bergen, et al.