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