Longman illustrated science dictionary : all fields of scientific language explained and illustrated /

Eitemau Tebyg

• Longman Illustrated animal encyclopedia
  gan: Whitfield, Philip, Ed
  Cyhoeddwyd: (1984)
• Longman dictionary of scientific usage
  Cyhoeddwyd: (1979)
• Longman dictionary of contemporary English
  gan: Longman
  Cyhoeddwyd: (1987)
• Longman dictionary of contemporary English /
  Cyhoeddwyd: (2009)
• Longman illustrated dictionary of geology
  gan: Watt, Alec
  Cyhoeddwyd: (1982)