All colour book of seashells/

Eitemau Tebyg

• American seashells
  gan: Abbott, R Tucker
  Cyhoeddwyd: (1968)
• Seashells: Bivalves of the British and northern European seas /
  gan: Christensen, J. Moller
  Cyhoeddwyd: (1980)
• Seashells: Bivalves of the British and northern European seas /
  gan: Christensen, J Muller
  Cyhoeddwyd: (1978)
• Collector's guidew to seashells of the world
  gan: Eisenberg, Jerome M; Old, William E, Ed
  Cyhoeddwyd: (1981)
• Seashells A Naturalists and Collections Guide
  gan: Peter
  Cyhoeddwyd: (1979)