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.

Karl Gabosch (1932-2008) was an employee of Pennsylvania Railroad Company and its successors, Penn Central and Conrail. The collection consists of a sample of company manuals, internal publications, and maps that were issued to him over the course of his career.