1. [Disinfecting mail, United States postal car] Publication: Produced: [between 1950 and 1965?] Subject(s): RailroadsPostal ServiceDisinfection
2. "Princess Christian" hospital train: 1915 Publication: Produced: 1915 Subject(s): Transportation of PatientsRailroadsWorld War IFranceHelena Augusta Victoria, Princess Christian of Schleswig-Holstein, 1846-1923.