Columbia subject headings:
Harvard subject headings:
Industrial water supply--Poland--History--To 1500.
Municipal water supply--Poland--Kraków--History--16th century.
Municipal water supply--Poland--Kraków--History--To 1500.
Water quality management--Poland--History--To 1500.
Water--Storage--Poland.
Water-supply--Europe--History--To 1500.
Water-supply--Poland--History--To 1500.
Wells--Poland--History--To 1500.
Princeton subject headings:
Municipal water supply--Poland--Kraków--History--16th century.
Municipal water supply--Poland--Kraków--History--To 1500.