Columbia subject headings:
Industries--Europe--History--Congresses.
Industries--History--Congresses.
Harvard subject headings:
Industrial revolution--Europe--Congresses.
Industrial revolution--Great Britain--Congresses.
Industrialization--History--Congresses.
Industries--Europe--History--Congresses.
Industries--Great Britain--History--Congresses.
Industries--History--Congresses.
Princeton subject headings:
Industries--Europe--History--Congresses.
Industries--History--Congresses.