Jeans, Susi and Ord-Hume, Arthur W.J.G. "Water organ". L. Macy (Ed.), Grove Music OnlineArchived 2008-05-16 at the Wayback Machine (subscription required). Retrieved on 2006-11-28.
Jeans, Susi and Ord-Hume, Arthur W.J.G. "Water organ". L. Macy (Ed.), Grove Music OnlineArchived 2008-05-16 at the Wayback Machine (subscription required). Retrieved on 2006-11-28.