Columbia subject headings:
Galicia (Spain : Region)--Congresses.
Indians of Mexico--Congresses.
Language policy--Congresses.
Mexico--Congresses.
Harvard subject headings:
Language policy--Mexico--Congresses.
Language policy--Spain--Galicia (Region)--Congresses.
Linguistic minorities--Mexico--Congresses.
Linguistic minorities--Spain--Galicia (Region)--Congresses.
Princeton subject headings:
Language policy--Mexico--Congresses.
Language policy--Spain--Galicia (Region)--Congresses.
Linguistic minorities--Mexico--Congresses.
Linguistic minorities--Spain--Galicia (Region)--Congresses.