Title: United States. Post Office Dept. records
Subjects: Correspondence, Postal service, United States. Postmaster General, United States, Cavetown Post Office (Cavetown, Md.), Hamilton Post Office (Hamilton, Ohio), History
Places: United States, Ohio, Maryland, Hamilton, Cavetown
People: E. F. Brown, Gideon Granger (1767-1822), Samuel Osgood (1748-1813), Timothy Pickering (1745-1829), Joseph Habersham (1751-1815)