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11-21-2015, 07:41 PM
Language: English - Genre: Natural Science
More... (http://www.pgdp.net/c/project.php?id=projectID562808e7e3ee7)
More... (http://www.pgdp.net/c/project.php?id=projectID562808e7e3ee7)
View Full Version : Distributed Proofreading The letter of Petrus Peregrinus on the magnet, A.D. 1269 - d