Columbia subject headings:
Educational change--Greece--Thrace, Western.
Minorities--Education--Greece--Thrace, Western.
Minorities--Greece--Thrace, Western.
Harvard subject headings:
Educational change--Greece--Thrace, Western.
Minorities--Education--Greece--Thrace, Western.
Minorities--Greece--Thrace, Western.
Princeton subject headings:
Educational change--Greece--Thrace, Western.
Minorities--Education--Greece--Thrace, Western.
Minorities--Greece--Thrace, Western.