The Penguin dictionary of science

Eitemau Tebyg

• The complete rhyming dictionary revised : including the poet's craft book /
  gan: 1888-1950. Wood, Clement
  Cyhoeddwyd: (1992)
• The Dictionary of diseased english
  gan: Hudson, Kenneth
• Webster's dictionary of synonyms
• The Amerian Heritage dictionary of the english language
• The American heritage dictionary of the english language. Mn-Zugzwang