Columbia subject headings:
Harvard subject headings:
Industrial archaeology--Austria--Salzburg.
Industrialization--Austria--Salzburg--History.
Monuments--Austria--Salzburg.
Salzburg (Austria)--Buildings, structures, etc.
Princeton subject headings:
Industrial archaeology--Austria--Salzburg.
Industrialization--Austria--Salzburg--History.
Monuments--Austria--Salzburg.
Salzburg (Austria)--Buildings, structures, etc.