1102136 Inundation of the River Aar, at Unterseen, Switzerland, on 1 August (engraving) by English School, (19th century); Private Collection; (add.info.: Inundation of the River Aar, at Unterseen, Switzerland, on 1 August. Illustration for The Illustrated London News, 16 August 1851.); Look and Learn / Illustrated Papers Collection; English, out of copyright.