John Maley, An Account of Four Years Travels Exhibit at DeGolyer Library John Maley, An Account of Four Years Travels, a previously unknown manuscript account of the Mississippi Valley, 1808-1812, will be on display April 23-May 24, 2013 in the Texana Room, DeGolyer Library. A free souvenir keepsake, describing the manuscript and its significance, is…Continue Reading Exhibit: John Maley, An Account of Four Years Travels