Ardeola Charitable Trust
Berkshire Archaeology
Berkshire Archaeology Research Group
Berkshire Archaeological Society
Berkshire Record Office
Hurley Historical Society
Henley Archaeological and Historical Group
Maidenhead Archaeological and Historical Society
Maidenhead Heritage Centre
Maidenhead Search Society
Marlow Archaeological Society
Marlow Museum
National Trust
Portable Antiquities Scheme
Reading Museum
South Oxfordshire Archaeological Group
University of Reading
West Berkshire Museum