Columbia subject headings:
Low German drama.
Low German language--Dialects--Germany--Westphalia.
Low German language--Glossaries, vocabularies, etc.
Harvard subject headings:
Low German drama.
Low German language--Dialects--Germany--Westphalia.
Low German language--Dialects--Westphalia.
Low German language--Glossaries, vocabularies, etc.
Princeton subject headings: