Report of the Postmaster General, in relation to alleged non-compliance of contract of steam-vessels carrying the United States mail; in answer to a resolution of the Senate of the 28th of August, 1850 [electronic resource].
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Sept. 2008). Reuse except for individual research requires license from ProQuest, LLC. AVAILABLE ONLINE TO AUTHORIZED PSU USERS.
Electronic resource. [Bethesda, Md.]: ProQuest, 2004. (ProQuest U.S. Serial Set Digital Collection : no. 562 S.exdoc.77).