Here are some websites that might be of use:

• Lancaster Archaeological and Historical Society
  
• Lancaster and District Heritage Group
  
• Lancaster Past and Present
  
• Friends of the City Museum, Lancaster
  
• The City Museum, Lancaster 
  
• The Maritime Museum, Lancaster
  
• Friends of the Maritime Museum, Lancaster
  
• Lancaster Civic Society
• Lancaster Vision
• Lancaster Priory
• Lancaster Black History Group