Columbia subject headings:
Harvard subject headings:
German language--Dialectology--Congresses.
German language--Dialects--Germany, Southern--Congresses.
German language--Grammar--Congresses.
German language--Inflection--Congresses.
Princeton subject headings:
German language--Dialectology--Congresses.
German language--Dialects--Germany, Southern--Congresses.
German language--Grammar--Congresses.
German language--Inflection--Congresses.