Riddle of the Underworld: Sections of the Manuscript
The discovery includes five sections of The Riddle of the Underworld manuscript (35 pages, numbered inconsistently), followed by a six-page contract between Ralph Werther and Dr. Victor Robinson for the serial rights to publish the manuscript in the journal Medical Life. See The Riddle of the Underworld manuscript, Victor Robinson Papers, Box 6, Folders 4-5, National Library of Medicine, Bethesda, Maryland.