United States. Post Office Department & ProQuest (Firm). (1826). Letter from the Postmaster General, transmitting a list of unproductive post routes. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a List of Unproductive Post Routes. Washington: [publisher not identified], 1826.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a List of Unproductive Post Routes. [publisher not identified], 1826.
Warning: These citations may not always be 100% accurate.