Mediation Agreement, Cases A-7127 and A-7128 and Related Letters of Understanding, Dated November 20, 1964 Between Railroads Represented by the National Railway Labor Conference and the Eastern, Western and Southeastern Carriers' Conference Committees and Their Employees Represented by the Following Organizations, Through the Employes' National Conference Committee, Five Cooperating Railway Labor Organizations: 1. Brotherhood of Railway and Steamship Clerks, Freight Handlers, Express and Station Employes; 2. Brotherhood of Maintenance of Way Employes; 3. The Order of Railroad Telegraphers; 4. Brotherhood of Railroad Signalmen; 5. Hotel & Restaurant Employes and Bartenders International Union