Columbia subject headings:
Postcards--Greece--Thessalonikē.
Thessalonikē (Greece)--Civilization--19th century--Pictorial works.
Thessalonikē (Greece)--Civilization--20th century--Pictorial works.
Harvard subject headings:
Postcards--Greece--Thessalonikē.
Thessalonikē (Greece)--Civilization--19th century--Pictorial works.
Thessalonikē (Greece)--Civilization--20th century--Pictorial works.
Princeton subject headings:
Postcards--Greece--Thessalonikē.
Thessalonikē (Greece)--Civilization--19th century--Pictorial works.
Thessalonikē (Greece)--Civilization--20th century--Pictorial works.