Artcyclopedia: Frantisek Kupka - Links to works by the artist in art museum sites and image archives worldwide. Wikipedia - Frantisek Kupka - Article focused on the Czech painter's education, career and work. Art Renewal Center - Frantisek Kupka - Collection of images of the artist's works. The Metropolitan Museum of Art - Analysis on Kupka's masterpiece 'Vertical and Diagonal Planes'. Museo Thyssen-Bornemisza - Kupka's biography along with proper analysis on his known artworks. Following Traces of Frantisek Kupka - Interactive content towards the Czech artist such as biography, news, and places that had a certain influence on his art. Guggenheim Collection: Frantisek Kupka - Works in the collection, biography, and suggested reading.