Scope Note
This category is used to index information on traditional mail services for paper documents and packages (e.g., collection, delivery); transportation of mail (e.g., by pony express, rail, air); special equipment; parcel post; mail delivery services (e.g., United Parcel Service, Federal Express); postal organization and personnel; finance (e.g., postal rates, subsidies). The category also contains information service providers, and fees; etc. For other methods of transmitting written messages use "Telephone and Telegraph" (206) and "Internet Communications" (2010).