Johannes Vermeer | Jan van Eyck | Jan Matejko Academy of Fine Arts | Jan Hammer | Jan Peerce | Jan Hus | Jan Mayen | Vermeer | Jan Guillou | Jan Smuts | Jan Fabre | Jan Morris | Jan Matejko | Jan Garbarek | Ignacy Jan Paderewski | Jan van Riebeeck | Jan Troell | Jan Tinbergen | Jan Neruda | Jan-Michael Vincent | Jan Kochanowski | Jan Brewer | Jan Bechtum | Vermeer Quartet | Jan Zamoyski | Jan Ullrich | Jan Peter Balkenende | Jan Egeland | Robert Jan Stips | Mian Shakirullah Jan |
His writings include studies on Wilhelm Lehmbruck, Eugène Delacroix, Nicolas Poussin, Jan Vermeer, John Constable, Paul Cézanne, Raphael, Vincent van Gogh, Paolo Veronese, Ernst Barlach and attacks on the methodology of the "second Vienna school" of art history dominated by Hans Sedlmayr.
He admitted being impressed and influenced by eminent artists from many eras and schools of painting including Rembrandt, Jan Vermeer, Willem de Kooning, Utagawa Kuniyoshi, Salvador Dalí, and Claude Monet.