Much of the research conducted by the Society emanates from the extensive records kept and maintained at:
East Sussex Record Office
- The Keep, Woollards Way, Brighton, BN1 9BP, Tel 01273 482349
- The Keep web site
- e-mail The Keep
West Sussex Record Office
- West Sussex Record Office, 3 Orchard Street, Chichester, West Sussex, PO19 1DD, Tel 01243 753600
- West Sussex Archives
- e-mail records.office@westsussex.gov.uk
Organisations that also hold extensive records on Sussex include:
Oxford Dictionary of National Biography
British Library website
East Sussex Community Information Service website
The National Archives website
Sussex Archaeological Society website
Sussex Family History Group website
Institute for Historical Research