- Conservation Center for Art and Historic Artifacts
- Friends of Narberth History
- Haverford Township Historical Society
- Hexamer General Surveys 1866 to 1896 at philageohistory.org
- List Of Properties regulated by the Lower Merion Historic Resource Ordinance
- Historical Society of Pennsylvania
- Independence Hall Association
- King of Prussia Historical Society
- National Register of Historic Places
- National Trust for Historic Preservation
- People for Better Pennsylvania Historical Records Access
- Philadelphia Area Consortium of Special Collections Libraries
- Pennsylvania State Archives
- Preservation Directory
- Radnor Historical Society
- Tredyffrin Easttown Historical Society
Local Interest Links
- Friends of the Cynwyd Heritage Trail
- Gladwyne Montessori School
- Harriton House
- Haverford Meeting
- Lower Merion Baptist
- Lower Merion Conservancy
- Lower Merion Library System
- Narberth Community Library
- Lower Merion School District
- The Lower Merion/Harriton Alumni Association
- Merion Meeting
- Merion Tribute House
- Narberth Borough
- Old Haverford Meeting
- Radnor Meeting
- Township of Lower Merion