Columbia subject headings:
Harvard subject headings:
Language and languages--Etymology--Lexicography
Markedness (Linguistics)
Spanish language--Lexicography--History.
Spanish language--Lexicography.
Spanish language--Markedness.
Spanish language--Standardization.
Spanish language--Variation.
Princeton subject headings:
Spanish language--Lexicography--History.
Spanish language--Standardization.
Spanish language--Variation.