The Cassell dictionary of slang /

Eitemau Tebyg

• The Oxford dictionary of rhyming slang /
  gan: Ayato, John
  Cyhoeddwyd: (2003)
• A concise dictionary of slang and unconventional English /
  gan: Partridge, Eric
  Cyhoeddwyd: (1989)
• 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 /
  gan: Partridge, Eric, 1894-1979
  Cyhoeddwyd: (2002)
• Slang the people's poetry /
  gan: Adams, Michael, 1961-
  Cyhoeddwyd: (2009)
• A history of cant and slang dictionaries.
  gan: Coleman, Julie
  Cyhoeddwyd: (2004)