Columbia subject headings:
Languages in contact--Mexico.
Nahuatl language--Grammar.
Nahuatl language--History.
Uto-Aztecan languages--Grammar.
Uto-Aztecan languages--History.
Harvard subject headings:
Princeton subject headings:
Languages in contact--Mexico.
Nahuatl language--Grammar.
Nahuatl language--History.
Uto-Aztecan languages--Grammar.
Uto-Aztecan languages--History.