Collier's encyclopedia V.18: with bibliography and index

Eitemau Tebyg

• Collier's Encyclopedia V.18
  gan: Halsey, William D.
  Cyhoeddwyd: (1981)
• Collier's encyclopedia V.5: with bibliography and index
  Cyhoeddwyd: (1978)
• Collier's encyclopedia V.6: with bibliography and index
  Cyhoeddwyd: (1978)
• Collier's encyclopedia V.7: with bibliography and index
  Cyhoeddwyd: (1978)
• Collier's encyclopedia V.8: with bibliography and index
  Cyhoeddwyd: (1978)