1. Classification of Occupations;Office of Population Censuses and Surveys,1970
2. Decennial Supplement England and Wales 1961: occupational mortality tables;Registrar General,1971
3. Registrar General, Statistical Reviews of England and Wales for 1970, 1971, and 1972: part 1, tables, medical, H.M. Stationery Office.
4. Great Britain: economic activity tables part III, 10% sample;Office of Population Censuses and Surveys Census 1971,1975
5. PROPORTIONAL MORTALITY AMONG VINYL-CHLORIDE WORKERS