Columbia subject headings:
Austria--Commerce--Europe, Central--History--18th century--Sources.
Europe, Central--Commerce--Austria--History--18th century--Sources.
Europe, Central--Description and travel--Sources.
Harvard subject headings:
Austria--Commerce--Europe, Central--History--18th century--Sources.
Europe, Central--Commerce--Austria--History--18th century--Sources.
Europe, Central--Description and travel--Sources.
Princeton subject headings:
Commerce--History--18th century--Sources.
Europe--Commerce--History--Sources.