Columbia subject headings:
Harvard subject headings:
Refugees--Greece--Thessalonikē--Congresses.
Thessalonikē (Greece)--Emigration and immigration--Congresses.
Thessalonikē (Greece)--History--Congresses.
Princeton subject headings:
Greco-Turkish War, 1921-1922--Refugees--Greece--Thessalonikē--Congresses.
Political refugees--Greece--Thessalonikē--History--20th century--Congresses.
Thessalonikē (Greece)--History--20th century--Congresses.