Columbia subject headings:
Harvard subject headings:
Nobility--Italy--Trentino-Alto Adige--History--Congresses.
Noble family--Congresses.
Trentino-Alto Adige (Italy)--Genealogy--Congresses.
Wolkenstein family--Congresses.
Princeton subject headings:
Nobility--Austria--Tyrol--History.
Tyrol (Austria)--History.