Professor. Correspondence (1913–1930) from the Oklahoma Bureau of Geology regarding its publications and operations, and the geological and mineral characteristics and potential of Oklahoma counties; geological reports (1913–1930), with accompanying maps, regarding the geological and mineral characteristics and resources of Oklahoma counties; oil well logs (1905–1925), organized by county; and registers of students grades (1915–1951) compiled by Williams while a member of the University of Oklahoma faculty.