SEPTEMBER 1, 1961.
1961 The Pennsylvania Railroad PRR Instructions For Use Of Grinding Wheels
1961 THE PENNSYLVANIA RAILROAD PRR SAFETY RULES BOOK EMPLOYEE
1961 THE PENNSYLVANIA RAILROAD CO. PHILADELPHIA REGION EMPLOYEE TIME TABLE #12
OCTOBER 1961 PRR PENNSYLVANIA RAILROAD TRANSPORTATION OF EXPLOSIVES RULES GN225E
The Pennsy Railroad Magazine New For The Pennsylvania Railroad Family 1965-68
The Pennsylvania Railroad Company Annual Report 1966 Vintage Railroad Ephemera
