Missouri Journalism Centennial Timeline Citations and Source Material 1898: MPA Championed Newspaper Preservation http://journalism.missouri.edu/2008/before-1908/13.html Text: Havig, A.R. (1998). A Centennial History of the State Historical Society of Missouri. Columbia, Mo.: University of Missouri Press. Image: Used by permission, State Historical Society of Missouri, Columbia. View All Citations/Sources Close Window