“In Cellar of Their Bedeviled House, The Herrmanns – In a Photograph by Nina Leen – Gaze at Bookcase That Mysteriously Fell Over.” In “House of Flying Objects: A Ghostly Mystery Plagues a Family and Baffles the Experts,” Robert Wallace, LIFE Magazine, 1958, Folder “Seaford Poltergeist,” Box D, Eileen J. Garrett Parapsychology Foundation Collection, Collection 331, Special Collections, University of Maryland, Baltimore County (Baltimore, MD).