Mrs. Parkinson's law

Eitemau Tebyg

• Mrs.Parkinson's law and other studies in domestic science
  gan: Parkinson, C. Northcote
  Cyhoeddwyd: (1968)
• Parkinson : the law, complete /
  gan: Parkinson, C. Northcote
  Cyhoeddwyd: (1980)
• Parkinson's law : or, The pursuit of progress/
  gan: Parkinson, C. Northcote
• Parkinson: The Law, complete
  gan: Parkinson, C Northcote
  Cyhoeddwyd: (1990)
• Parkinson's law or the persuit of progress
  gan: Parkinson, C. Northcote
  Cyhoeddwyd: (1957)