Columbia subject headings:
Harvard subject headings:
Greece--History--1821-
Greece--History--1821---Sources.
Greece--History--War of Independence, 1821-1829--Sources.
Greece--History--War of Independence, 1821-1829.
Princeton subject headings:
Greece--History--1821-
Greece--History--1821---Sources.
Greece--History--War of Independence, 1821-1829--Sources.
Greece--History--War of Independence, 1821-1829.