United States. Congress. House. Committee on Post Office and Post Roads & ProQuest (Firm). (1862). Steamship line to Aspinwall. Letter of the Postmaster General in relation to carrying the South Pacific mails by the steamship line to Aspinwall. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Steamship Line to Aspinwall. Letter of the Postmaster General in Relation to Carrying the South Pacific Mails by the Steamship Line to Aspinwall. Washington: [publisher not identified], 1862.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Steamship Line to Aspinwall. Letter of the Postmaster General in Relation to Carrying the South Pacific Mails by the Steamship Line to Aspinwall. [publisher not identified], 1862.