Columbia subject headings:
Harvard subject headings:
Italian language--Dialects--Switzerland--Verzasca River Valley--Glossaries, vocabularies, etc.
Italian language--Dialects--Switzerland--Verzasca River Valley.
Names, Geographical--Switzerland--Verzasca River Valley.
Verzasca River Valley (Switzerland)--Description and travel.
Princeton subject headings:
Italian language--Dialects--Switzerland--Verzasca River Valley--Glossaries, vocabularies, etc.
Italian language--Dialects--Switzerland--Verzasca River Valley.
Names, Geographical--Switzerland--Verzasca River Valley.
Verzasca River Valley (Switzerland)--Description and travel.