Northamptonshire Past
- The Victoria County History of Northamptonshire explains its work: volumes already published and in progress, including online draft text.
- http://www.northamptonshirepast.net/

Northamptonshire Association for Local History
- Promote and support interest in local history. Includes membership information, what's on, and resource register.
- http://www.northants-history.org.uk/

Northamptonshire Archaeology
- A contracting service of Northamptonshire County Council, providing a full range of archaeological services. Services, recent projects, staff and publications.
- http://www.northantsarchaeology.co.uk/