United States. Post Office Department & ProQuest (Firm). (1842). Revenue at each post office in the United States for 1841. Letter from the Postmaster General, transmitting a statement of the nett revenue at each post office in the United States for the year ending on the 30th June, 1841. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Revenue at Each Post Office in the United States for 1841. Letter from the Postmaster General, Transmitting a Statement of the Nett Revenue at Each Post Office in the United States for the Year Ending on the 30th June, 1841. Washington: [publisher not identified], 1842.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Revenue at Each Post Office in the United States for 1841. Letter from the Postmaster General, Transmitting a Statement of the Nett Revenue at Each Post Office in the United States for the Year Ending on the 30th June, 1841. [publisher not identified], 1842.