The address of the York County Astronomical Society is: 400 Mundis Race Road, York, PA 17406-9721
The address of the Wabash County Astronomical Society is: Po Box 98, North Manchester, IN 46962-1881
The address of the Delaware County Historical Society Pennsylvania is: 991 Palmers Mill Rd, Media, PA 19063-1049
The address of the Washington County Historical Society is: 510 Meldon Ave, Donora, PA 15033
The address of the Elk County Historical Society is: 109 Center St, Ridgway, PA 15853
The address of the Sullivan County Historical Society is: Po Box 252, Laporte, PA 18626
The address of the Forest County Historical Society is: Po Box 546, Tionesta, PA 16353
The address of the Historical Society Of Perry County is: Po Box 81, Newport, PA 17074
The address of the Adams County Historical Society is: Po Box 4325, Gettysburg, PA 17325-4325
The address of the Potter County Historical Society is: Po Box 605, Coudersport, PA 16915-0605
The address of the Lebanon County Historical Society is: 924 Cumberland St, Lebanon, PA 17042-5139
The address of the Wyoming County Historical Society is: Po Box 309, Tunkhannock, PA 18657-0309
The address of the Wayne County Historical Society is: Po Box 446, Honesdale, PA 18431-0446