Pennsylvania Railroad Cooking and Service Instructions, reprint of the 1947 publication,

Back in the golden age of railroading (I missed it) the operation of the Pullman dining car was a thing to amaze you and the menu was extensive.  below is the address to a scanned copied of the
Pennsylvania Railroad Cooking and Service Instructions, reprint of the 1947 publication, with a bout 200 pages of recipes

http://railroaddiningcar.org/content/pennsylvania-railroad-cooking-service-instructions-1947