Columbia subject headings:
Harvard subject headings:
Greece--Social conditions.
Nineteen sixties.
Students--Greece--Social conditions.
Students--Greece--Thessalonikē--Social conditions.
Thessalonikē (Greece)--Social conditions.
Princeton subject headings:
Greece--Social conditions.
Nineteen sixties.
Students--Greece--Social conditions.
Students--Greece--Thessalonikē--Social conditions.
Thessalonikē (Greece)--Social conditions.