United States. Congress. Senate. Committee on Appropriations & ProQuest (Firm). (1921). Letter from the Secretary of the Treasury, transmitting communications from the Postmaster General submitting supplemental estimates of appropriation required by the Post Office Department for claims for damages in Air Mail Service and for Pan American Postal Congress at Buenos Aires. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Appropriations and ProQuest (Firm). Letter from the Secretary of the Treasury, Transmitting Communications from the Postmaster General Submitting Supplemental Estimates of Appropriation Required by the Post Office Department for Claims for Damages in Air Mail Service and for Pan American Postal Congress at Buenos Aires. Washington: [publisher not identified], 1921.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Appropriations and ProQuest (Firm). Letter from the Secretary of the Treasury, Transmitting Communications from the Postmaster General Submitting Supplemental Estimates of Appropriation Required by the Post Office Department for Claims for Damages in Air Mail Service and for Pan American Postal Congress at Buenos Aires. [publisher not identified], 1921.