Preservation Organizations:
Old Allentown Preservation Association
National Trust for Historic Preservation
Main Street Manager programs
Government:
City of Allentown
City
of Allentown walking tour
Allentown's Historic Districts and Historical Architectural
Review Board
Lehigh County
Historical Societies:
Lehigh County Historical Society
Liberty Bell Museum
National Canal Museum
Lower Macungie Township Historical Society
Pennsylvania Historical & Museum Commission
Civic Organizations:
League of Women Voters of Lehigh County