These resources include census returns, old parish registers, burial and cremation records.
As well as a substantial collection of books on the subject, there are:
Old Parish Registers of Dunbartonshire and parts of Stirlingshire and Argyll (on microfilm)
Census Returns for the same area (on microfilm)
Index to the 1891 Census for Dunbartonshire, Stirlingshire, Argyll and Renfrewshire (on microfiche)
Old Parish Register Index for Dunbartonshire, Stirlingshire, Argyll Renfrewshire and Lanarkshire
International Genealogical Index (IGI) for the whole of the U.K. and Ireland (on microfiche).