Columbia subject headings:
Harvard subject headings:
Greece--Foreign relations--1821-1862.
Greece--Foreign relations--United States.
Greece--History--War of Independence, 1821-1829.
Philhellenism.
United States--Foreign relations--1817-1825.
United States--Foreign relations--1825-1829.
United States--Foreign relations--Greece.
Princeton subject headings:
Greece--Foreign relations--United States.
Greece--History--War of Independence, 1821-1829--Foreign public opinion, American.
Greece--History--War of Independence, 1821-1829.
United States--Foreign relations--Greece.