Columbia subject headings:
Education, Secondary--Greece--Piraeus--History--20th century.
Piraeus (Greece)
Schools--Greece--Piraeus--History.
Zanneio (Piraeus, Greece)
Harvard subject headings:
Education, Secondary--Greece--Piraeus--History--20th century.
Piraeus (Greece)
Schools--Greece--Piraeus--History.
Zanneio (Piraeus, Greece)
Princeton subject headings:
Education--Greece--Piraeus--20th century.
Piraeus (Greece)--History--20th century.
Schools--Greece--History--20th century.