Columbia subject headings:
Bilingualism--Andes Region--History--16th century.
Bilingualism--Andes Region--History--17th century.
Languages in contact--Andes Region--History--16th century.
Languages in contact--Andes Region--History--17th century.
Spanish language--Dialects--Andes Region--History--16th century.
Spanish language--Dialects--Andes Region--History--17th century.
Harvard subject headings:
Bilingualism--Andes Region--History.
Languages in contact--Andes Region--History.
Spanish language--Dialects--Andes Region--History.
Princeton subject headings:
Bilingualism--Andes Region--History.
Languages in contact--Andes Region--History.
Spanish language--Dialects--Andes Region--History.