Columbia subject headings:
Creole dialects, Spanish--Puerto Rico.
English language--Study and teaching--Puerto Rico.
Language policy--Puerto Rico.
Languages in contact--Puerto Rico.
Harvard subject headings:
Creole dialects, Spanish--Puerto Rico.
English language--Political aspects--Puerto Rico.
English language--Study and teaching--Puerto Rico.
Language policy--Puerto Rico.
Languages in contact--Puerto Rico.
Puerto Rico--Languages--Political aspects.
Spanish language--Political aspects--Puerto Rico.
Princeton subject headings:
English language--Political aspects--Puerto Rico.
Language policy--Puerto Rico.
Puerto Rico--Languages--Political aspects.
Spanish language--Political aspects--Puerto Rico.