United States. Post Office Department & ProQuest (Firm). (1861). Letter from the Postmaster General, transmitting a list of clerks and other persons employed in that department. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a List of Clerks and Other Persons Employed in That Department. Washington: [publisher not identified], 1861.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a List of Clerks and Other Persons Employed in That Department. [publisher not identified], 1861.
Warning: These citations may not always be 100% accurate.