Photos by Heinrich Kühn Mary Warner, Lotte und Walter Kühn.1907 Mary Warner with Edeltrude Kühn, 1908 Les enfants Kühn-Die Kühn Kinder,1913 White Excursion, 1907 Windblown,1911 *** Lotte, Walter and Miss Mary in winter clothes, circa 1908 Hans Kühn, 1907-1908. Portrait of the Kühn children ,1904…