United States. Railway Mail Service

• General scheme of Kentucky, 1920
• General scheme of the New England states, first division railway mail service ...
• History of the railway mail service
• Letter from George S. Bangs, General Superintendent of Railway Mail Service, to Hon. J. R. West, United States Senate, in relation to prices paid to railroad companies for transporting the mails
• Postal laws and regulations, seniority rules, service rating system and space rulings applicable to the Railway Mail Service, 1938