Columbia subject headings:
Harvard subject headings:
Education and state--Wales.
Education, Bilingual--Wales.
Language policy--Wales.
Native language and education--Wales.
Welsh language--Study and teaching--Political aspects--Wales.
Princeton subject headings:
Education and state--Wales.
Education, Bilingual--Wales.
Language policy--Wales.
Native language and education--Wales.
Welsh language--Study and teaching--Political aspects--Wales.