Stets, Robert
Street car R.P.O. service in Philadelphia - Omaha, Neb. Mobile Post Office Society 1978
United States -- Pennsylvania -- Philadelphia | Street Car Mail | Mobile Post Offices | Transportation of Mail | Postal History | Railway Mail | Postal Routes
Street car R.P.O. service in Philadelphia - Omaha, Neb. Mobile Post Office Society 1978
United States -- Pennsylvania -- Philadelphia | Street Car Mail | Mobile Post Offices | Transportation of Mail | Postal History | Railway Mail | Postal Routes