Source

C 1971 VOL 4 T8 — 08. Population of each province, county and county borough classified by sex and socio-economic group, distinguishing gainfully occupied, not gainfully occupied and children under 14 years of age

C 1971 VOL 4 T8 — 08. Population of each province, county and county borough classified by sex and socio-economic group, distinguishing gainfully occupied, not gainfully occupied and children under 14 years of age, published by CSO.