Columbia subject headings:
Harvard subject headings:
Education, Secondary--Greece--Thessalonikē--History--20th century.
High schools--Greece--Thessalonikē--History.
Women--Education (Secondary)--Greece--Thessalonikē--History.
Princeton subject headings:
1. Gymnasio Thēleōn Thessalonikēs--History.
Education, Secondary--Greece--Thessalonikē--History--20th century.
High schools--Greece--Thessalonikē--History.
Women--Education (Secondary)--Greece--Thessalonikē--History.