Columbia subject headings:
Industrial location--History--Congresses.
Industrialization--History--Congresses.
Industries--Europe--History--Congresses.
Regional economics--Congresses.
Harvard subject headings:
Industrial location--History--Congresses.
Industrialization--History--Congresses.
Industries--Europe--History--Congresses.
Regional economics--Congresses.
Princeton subject headings:
Industrial location--History--Congresses.
Industrialization--History--Congresses.
Industries--Europe--History--Congresses.
Regional economics--Congresses.