http://pec.lib.wvu.edu/record/P4541974"The ... Annual production of "The Ballad of Black Jack", a musical. Serial. Printed Ephemera Collection has: 5th (1974). Event program which includes the names of the cast, musicians, and production team, as well as the history behind the Ballad, and the "Baker pLaymen." Mueller, Don A.Kansas--History.Brown, John, 1800-1859.14256