Columbia subject headings:
Harvard subject headings:
German language--Dialects--Congresses
German language--Variation--Congresses.
Linguistic geography--Congresses.
Linguistic minorities--Congresses
Wenker, Georg, 1852-1911. Sprachatlas des Deutschen Reichs--Congresses.
Princeton subject headings:
German language--Dialects.
German language--Variation.
Linguistic geography.
Wenker, Georg, 1852-1911. Sprachatlas des Deutschen Reichs.