The majority of the collection consists of vendor sales brochures, pamphlets, catalogs, and specification sheets pertaining to locomotive equipment and replacement parts. Some vendors represented in the collection are Browning Locomotive Cranes, Industrial Brownhoist Corporation, The Marion Steam Shovel Company, and Western Cars. Also included in the collection are two oversized parts and sales catalogues compiled by MacRae’s Blue Book, and Manning, Maxwell, and Moore, Inc., an assortment of Georgia Car and Locomotive sales brochures, and two large wall calendars published by the National Railway Historical Society, Inc.