Keywords: Albert Rieger Aufziehendes Gewitter.jpg Aufziehendes Gewitter A Rieger pinx signature lower right cm 32 52 5 painting http //www dorotheum com by 1905 signature lower right Albert Rieger 1834 �1905 PD-old-100 Albert Rieger Thunderstorms in art Umbrellas in art 19th-century paintings location missing Paintings with signatures lower right Images from Dorotheum |