Nice article about Oxon Hill Manor and John Hanson

https://jay.typepad.com/william_jay/2012/09/ghouls-on-the-hill-the-story-of-oxon-hill-manor-the-addison-family-and-john-hanson.html?fbclid=IwAR03PBXnpj2U2IJ_OmJ0uAwO7HLOJFAyhOSLTrFDRiHWkTlqp5Yp4Hk50T8