1949 Pennsylvania Railroad - Operating, Signal & Interlocking Rules book
PRR Annual Report 1949 Pennsylvania Railroad Soft Cover 40 pages
Railway Timetable USA Pennsylvania Railroad New York P'delphia 26th Spet. 1948
Pennsylvania Railroad Timetable New York Philadelphia sept 1949
1949 Agreement Between Pennsylvania Railroad & Railroad Workers of America
1949 1951 1954 PRR / P.R.R. PENNSYLVANIA RAILROAD ADVERTISING CALENDAR Card
