Columbia subject headings:
Harvard subject headings:
Embargo, 1807-1809.
Pickering, Timothy, 1745-1829. Letter from the Hon. Timothy Pickering.
United States--Foreign relations--1801-1809.
Princeton subject headings:
Embargo, 1807-1809.
Pickering, Timothy, 1745-1820. A letter from the Hon. Timothy Pickering.
United States--Foreign relations--1801-1809.