Scope and Contents From the Collection: The Charles C. Killingsworth papers provide an invaluable source of material to the researcher interested in the development of American labor law, and its application to the collective bargaining process. With the exception of some material from World War I, the collection is composed of labor materials. Killingsworth served as a member of several federal agencies, as a consultant to state and private organizations and as an arbitrator and permanent umpire for many large corporations....