A dictionary of slang and unconventional English colloquialisms and catch phrases, fossilised jokes and puns, general nicknames, vulgarisms and such Americanisms as have been naturalized

Eitemau Tebyg

• The concise new Partridge dictionary of slang and unconventional English
  Cyhoeddwyd: (2008)
• The Oxford dictionary of modern slang
  gan: John Ayto
  Cyhoeddwyd: (1993)
• The Oxford dictionary of modern slang /
  Cyhoeddwyd: (1992)
• American slang: Dictionary of American slang and colloquial expressions
  gan: Spears, Richard A
  Cyhoeddwyd: (2014)
• American slang
  Cyhoeddwyd: (1987)