Nowości
World Water Day 2019 – Leaving no one behind
City of Mannheim remembers William H. Lindley
William H. Lindley (1853-1917), at the 100th anniversary
Speech by Bill (William) Lindley, Warsaw, September 2016
William (Bill) Lindley and his wife took part in 130 Jubilee of Warsaw Water Company (6-7 September 2016)...