Columbia subject headings:
Austria--Church history--18th century.
Germany--Church history--18th century.
Pius VI, Pope, 1717-1799--Travel--Austria.
Pius VI, Pope, 1717-1799--Travel--Germany.
Harvard subject headings:
Austria--Church history--18th century.
Germany--Church history--18th century.
Pius VI, Pope, 1717-1799--Journeys--Austria.
Pius VI, Pope, 1717-1799--Journeys--Germany.
Princeton subject headings:
Austria--Church history--18th century.
Germany--Church history--18th century.
Pius VI, Pope, 1717-1799--Travel--Austria.
Pius VI, Pope, 1717-1799--Travel--Germany.