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