Columbia subject headings:
Harvard subject headings:
Balneology--Europe--History--Congresses.
Balneology--Italy--History--Congresses.
Bathing customs--Europe--History--Congresses.
Health resorts--Europe--History--Congresses.
Hydrotherapy--Europe--History--Congresses.
Hydrotherapy--Italy--History--Congresses.
Princeton subject headings:
Bathing customs--Europe--History--Congresses.
Bathing customs--Italy--History--Congresses.
Baths--Europe--History--Congresses.
Baths--Italy--History--Congresses.
Europe--Congresses.
Public baths--Europe--History--Congresses.
Public baths--Italy--History--Congresses.
Water use--Social aspects--Europe--Congresses.
Water use--Social aspects--Italy--Congresses.