United States. Congress. House. Committee on Post Office and Post Roads, ProQuest (Firm), & United States. Post Office Department. (1880). Personal correspondence negatively defined. Letter from the Postmaster General in reply to a resolution of the House of Representatives relative to section 232 of the postal laws and regulations. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Post Office and Post Roads, ProQuest (Firm), and United States. Post Office Department. Personal Correspondence Negatively Defined. Letter from the Postmaster General in Reply to a Resolution of the House of Representatives Relative to Section 232 of the Postal Laws and Regulations. Washington: [publisher not identified], 1880.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Post Office and Post Roads, et al. Personal Correspondence Negatively Defined. Letter from the Postmaster General in Reply to a Resolution of the House of Representatives Relative to Section 232 of the Postal Laws and Regulations. [publisher not identified], 1880.