Historical and Genealogical Societies

Ontario Historical Society (OHS)
Glencoe & District Historical Society 
London Middlesex Historical Society
North Middlesex Historical Society 
Ontario Genealogical Society (OGS)
London & Middlesex County Branch, OGS

Museums

Museum Strathroy-Caradoc
Ska-Nah-Doht Village and Museum

Libraries and Archives

Strathroy Library: a Branch of Middlesex County Library - Research Links  
London Public Library - London Room
Western University Archives
Middlesex Centre Archives