Columbia subject headings:
Andes Region--Languages.
Languages in contact--Andes Region.
Quechua language--Foreign elements--Spanish.
Quechua language--Influence on Spanish.
Spanish language--Foreign elements--Quechua.
Spanish language--Influence on Quechua.
Spanish language--Social aspects--Andes Region.
Harvard subject headings:
Andes Region--Languages.
Languages in contact--Andes Region.
Quechua language--Foreign elements--Spanish
Quechua language--Influence on Spanish
Spanish language--Foreign elements--Quechua
Spanish language--Influence on Quechua
Spanish language--Social aspects--Andes Region.
Princeton subject headings:
Languages in contact--Andes Region.
Sociolinguistics--Andes Region.