1. Postal Systems John, Richard R. 2015 Chapters (Layout Features) Social sciencesPostal serviceHistoryCommunication
2. Communications Networks in the United States from Chappe to Marconi John, Richard R. 2013 Chapters (Layout Features) Telecommunication--Technological innovationsPostal serviceCommunicationBusiness and politicsHistory
3. Expanding the Realm of Communications John, Richard R. 2010 Chapters (Layout Features) HistoryPostal serviceCommunicationCommunication policy