Records collected by Christopher P. Wahmann during his career as a manager in the Operating Department of Amtrak between the mid-1970s and mid-1990s, including Amtrak documents and those of other railroads and commuter agencies over which Amtrak operates or that operate trains over Amtrak's lines.

Jonathan H. Klein (1949-) spent his professional career as a specialist in passenger railroad and rail transit equipment economics. The papers consist of a small sample of reports and memoranda written or collected by Klein in his role as a manager in charge of rail passenger equipment procurement, performance and maintenance. The agencies represented are SEPTA, Chicago Transit Authority, BART, LAMTA and Amtrak.