Encyclopedia of the unusual and unexplained/

Eitemau Tebyg

• Encyclopedia of the unexplained: magic, occultism and parapsychology /
  gan: Cavendish, Richard
  Cyhoeddwyd: (1974)
• Encyclopaedia of the unexplained/
  gan: : Stone, Reuben
  Cyhoeddwyd: (1993)
• Encyclopedia of the unexplained: magic occultism and parapsychology
  gan: Cavendish, Richard
  Cyhoeddwyd: (1974)
• The encyclopedia of the unexplained: magic, occultism, and parapsychology.
  gan: Cavendish, Richard
  Cyhoeddwyd: (1974)
• An unusual algebra /
  gan: Yaglom, I.M ed
  Cyhoeddwyd: (1978)