the Prado, Madrid http://nearyou.ru/0prado/0prado.html

the Uffizi, Florence http://www.polomuseale.firenze.it/english/uffizi/

the Pushkin Museum, Moscow http://www.russia.com/art-galleries/moscow/

the Tretyakov Gallery, Moscow http://www.tretyakovgallery.ru/en/

the Russian Museum, St. Petersburg

the Hermitage Museum, St. Petersburg