Йейтс (1989) дает краткое описание и отсылает читателя к докладу Report on the collision of trains, near Chester, October 16, 1841, Western Railroad Clerk’s File №74; in Western Railroad Collection, Case № 1, Baker Library, Harvard Business School. Yates, J. (1989). Control through communication: The rise of system in American management. Baltimore, MD: The Johns Hopkins University Press.