Throbbing Fountain Madison Square, John Sloan, 1907.
(Museo Thyssen-Bornemisza, Madrid, Spain)
Attribution:
Sloan, John / Museo Thyssen-Bornemisza, Madrid, Spain. 761 (1979.2). https://www.museothyssen.org/en/collection/artists/sloan-john/throbbing-fountain-madison-square