The Piper Aviation Museum in Lock Haven, PA promotes the history and legacy of Piper Aircraft. It houses over 22 Piper airplanes, including the famous J-3 Piper Cub, plus several one-of-a-kind planes. Piper Aviation is considered to be one of the major general aviation companies in the U.S.
Rebecca B. Hadden Stone House Museum, It's History!
Historical Society of Berks County Berks History Center
Why Not in Pennsylvania: Suffragettes 2, PA On Display