County Council records
The records of Dunbarton County Council and its predecessors are held by Glasgow City Archives.

County Constabulary records
The surviving records of Dunbartonshire Constabulary are among the records of Strathclyde Police, held by Glasgow City Archives.

Valuation Rolls
Assessors’ rolls for Dunbartonshire for the period 1855 to 1989 are held by the National Archives of Scotland. An incomplete set of valuation rolls for the county for the period 1893-1975 are held bv Glasgow City Archives.

Medical Officer of Health Reports
Annual reports of the Medical Officer of Health for the County of Dunbarton are held, for the period 1891-1972, by the National Archives of Scotland. Glasgow City Archives hold a set of reports for the years 1953-1963.

Vehicle Licensing records
The records of Dunbarton County Vehicle Licensing Authority are held by the Kithead Trust, Droitwich Spa (for further details see the Knowledge Base entry on Vehicle Licensing).