United States. Post Office Department & ProQuest (Firm). (1855). Contingent expenses of the Post Office Department. Letter from the Postmaster General, transmitting a report exhibiting payments from the contingent fund of the Post Office Department. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Contingent Expenses of the Post Office Department. Letter from the Postmaster General, Transmitting a Report Exhibiting Payments from the Contingent Fund of the Post Office Department. Washington: [publisher not identified], 1855.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Contingent Expenses of the Post Office Department. Letter from the Postmaster General, Transmitting a Report Exhibiting Payments from the Contingent Fund of the Post Office Department. [publisher not identified], 1855.