Classification of occupations and directory of occupational titles.

Eitemau Tebyg

• An analysis of the occupations of the people, showing the relative importance of the agricultural, manufacturing, shipping, colonial, commercial & mining interests of the United Kingdom of Great Britain and its dependencies,
  gan: Spackman, William Frederick
  Cyhoeddwyd: (1969)
• Dictionary of occupational titles.
  Cyhoeddwyd: (1965)
• The social grading of occupations : a new approach and scale /
  gan: Goldthorpe, John H.
  Cyhoeddwyd: (1974)
• Dictionary of occupational titles 1965 /
  Cyhoeddwyd: (1965)
• International standard classifications of occupations.
  Cyhoeddwyd: (1958)