Columbia subject headings:
Harvard subject headings:
German language--Dialects--Europe, Central.
German language--Dialects--Germany.
German language--Dialects--Mutual intelligibility.
German language--Syntax.
Languages in contact--Europe, Central.
Languages in contact--Germany.
Princeton subject headings:
German language--Dialects--Europe, Central.
German language--Dialects--Germany.
German language--Dialects--Mutual intelligibility.
German language--Syntax.
Languages in contact--Europe, Central.
Languages in contact--Germany.