The Wordsworth dictionary of difficult words/

Eitemau Tebyg

• The Wordsworth Dictionary of Difficult Words
  Cyhoeddwyd: (1993)
• Dictionary Of Difficult Words
  gan: Navraj Pathak
  Cyhoeddwyd: (2012)
• Difficult dialogue : Marxism and nationalism /
  gan: Munck Ronaldo
• The oxford dictionary of new words
  gan: Tulloch, Sara
  Cyhoeddwyd: (1991)
• Oxford dictionary of word origins
  gan: Cresswell, Julia;ed
  Cyhoeddwyd: (2010)