1991 census : report for England : Regional Health Authorities.
Great Britain.Office of Population Censuses and Surveys.
Great Britain.Government Statistical Service.
London : HMSO,
1993.
A publication of the Government Statistical Service.
"Laid before Parliament pursuant to Section 4(1) Census Act 1920"
Table 96 subsequently published in Supplement to parts 1 & 2 (tables 15, 16 & 96).