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The address of the Germantown Mennonite Historic Trust is: 6133 Germantown Ave, Philadelphia, PA 19144-2046
The address of the Historic Germantown Preserved is: 5501 Market Sq, Philadelphia, PA 19144
The web address of the Germantown Historical Society is: http://www.germantownhistory.org
The address of the Historical Society Germantown is: Po Box 144, Germantown, OH 45327-0144
The phone number of the Germantown Historical Society is: 215-844-0514.