Columbia subject headings:
German language--Dialects--Italy--Gressoney Valley--Dictionaries.
German language--Dialects--Switzerland--Valais.
Harvard subject headings:
German language--Dialects--Italy--Gressoney Valley--Dictionaries.
German language--Dialects--Switzerland--Valais (Canton)
Princeton subject headings:
German language--Dialects--Dictionaries.
German language--Dialects--Switzerland--Gressoney.