Columbia subject headings:
Black people--Ecuador--Esmeraldas (Province)--Languages.
Spanish language--Dialects--Ecuador--Esmeraldas (Province)--Glossaries, vocabularies, etc.
Harvard subject headings:
Black people--Ecuador--Esmeraldas (Province)--Languages.
Spanish language--Dialects--Ecuador--Esmeraldas (Province)--Glossaries, vocabularies, etc.
Spanish language--Provincialisms--Ecuador--Esmeraldas--Dictionaries.
Princeton subject headings: