František Kupka - Alchetron, The Free Social Encyclopedia
Sotheby's on Twitter: "#AuctionUpdate A bold canvas by František Kupka, one of the most important artists on the path to abstraction in the early twentieth century, soars to £7,551,600 - three times
František Kupka - Wikipedia
Field Of Vision: Frantisek Kupka
The Cathedral (Katedrála) - Wikipedia
František Kupka - Alchetron, The Free Social Encyclopedia
Reminiscence of a Cathedral | The Art Institute of Chicago
Kupka - Waldes | Artist And His Collector | divus.org.uk
Miluju umělec Ceska | Hooray for Czech artists! I love them!… | Beardon MyFace | Flickr