Mail contracts.
Letter from the postmaster general transmitting a report of the contracts for carrying the mail for the year ending on the 30th of June, 1839; also, an abstract of the offers for carrying the mail within the said year ...
APA Citation
United States. Post Office Department. (1840). Mail contracts: Letter from the postmaster general transmitting a report of the contracts for carrying the mail for the year ending on the 30th of June, 1839; also, an abstract of the offers for carrying the mail within the said year ... [Place of publication not identified].
MLA Citation
United States. Post Office Department. Mail Contracts: Letter From the Postmaster General Transmitting a Report of the Contracts for Carrying the Mail for the Year Ending On the 30th of June, 1839; Also, an Abstract of the Offers for Carrying the Mail Within the Said Year ... [Place of publication not identified], 1840.
Warning: These citations may not always be complete (especially for serials).