United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1939). Extending the provisions of the forty-hour law to pneumatic-tube system employees in the Postal Service. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). Extending the Provisions of the Forty-hour Law to Pneumatic-tube System Employees in the Postal Service. Washington: [publisher not identified], 1939.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). Extending the Provisions of the Forty-hour Law to Pneumatic-tube System Employees in the Postal Service. [publisher not identified], 1939.
Warning: These citations may not always be 100% accurate.