Columbia subject headings:
French language--Dialects--France--Alsace.
French language--Dialects--France.
French language--Social aspects--France.
French language--Variation--France.
Languages in contact--France.
Harvard subject headings:
Dialectology.
French language--Dialects--France--Alsace.
French language--Dialects--France.
French language--Provincialisms--France.
French language--Social aspects--France.
Languages in contact--France--Alsace.
Princeton subject headings:
French language--Dialects--France--Alsace.
French language--Dialects--France.
French language--Social aspects--France.
French language--Variation--France.
Languages in contact--France.