. . . . . . . . . . . . . . . . . "Official personal web site"@en . . . . . . . "1093614247"^^ . . . . . "70180207"^^ . "Penn State page"@en . . . . . "David Hufford"@en . . "David J. Hufford is an American folklorist and ethnographer known for his research on paranormal phenomena and sleep paralysis. He is professor emeritus of Humanities and Psychiatry at Penn State University College of Medicine, and the former chair of Medical Humanities."@en . . . . . "David J. Hufford is an American folklorist and ethnographer known for his research on paranormal phenomena and sleep paralysis. He is professor emeritus of Humanities and Psychiatry at Penn State University College of Medicine, and the former chair of Medical Humanities."@en . . "10280"^^ . .