Columbia subject headings:
Harvard subject headings:
Drinking fountains--Germany--Augsburg--History--Congresses.
Drinking water--Germany--Augsburg--History--Congresses.
Hydraulic engineering--Germany--Augsburg--Congresses.
Water-power--Germany--Augsburg--History--Congresses.
Water-supply engineering--Germany--Augsburg--History--Congresses.
Water-supply--Germany--Augsburg--History--Congresses.
Waterworks--Germany--Augsburg--History--Congresses.
Princeton subject headings:
Augsburg (Germany)--History.
Water-supply engineering--Germany--Augsburg--History.
Waterworks--Germany--Augsburg.