Columbia subject headings:
Banks and banking--Europe--History--Congresses.
Diffusion of innovations--Europe--History--Congresses.
Goldsmiths--Europe--History--Congresses.
Harvard subject headings:
Banks and banking--Europe--History--Congresses.
Clearinghouses (Banking)--England--London--History--Congresses.
Diffusion of innovations--Europe--History--Congresses.
Goldsmiths--England--London--History--Congresses.
Goldsmiths--Europe--History--Congresses.
Goldwork--Europe--History--Congresses.
Silversmiths--England--London--History--Congresses.
Silverwork--Europe--History--Congresses.
Princeton subject headings:
Clearinghouses (Banking)--Great Britain--London--History--Congresses.
Diffusion of innovations--Europe--History--Congresses.
Goldsmiths--Europe--History--Congresses.
Goldsmiths--Great Britain--London--History--Congresses.
Goldwork--Europe--History--Congresses.
Silversmiths--Great Britain--London--History--Congresses.
Silverwork--Europe--History--Congresses.