Columbia subject headings:
Harvard subject headings:
Walsers--Austria--Vorarlberg--History.
Walsers--Liechtenstein--History.
Walsers--Switzerland--Graubünden--History.
Princeton subject headings:
Walsers--Austria--Vorarlberg--History.
Walsers--Liechtenstein--History.
Walsers--Switzerland--Graubünden--History.