Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--History--War of 1912-1913--Congresses.
Macedonian question--Congresses.
North Macedonia--History--Congresses.
Princeton subject headings:
Balkan Peninsula--History--War of 1912-1913--Congresses.
Macedonia (Republic)--History--Congresses.
Macedonian question--Congresses.