Robson, William  
   Kirkcudbright artist painted in Italy on the Island of Capri and later in Kirkcudbright, Scotland. The site details a collection of his paintings.
   http://billrobson.org/

Richter, Gerhard  
   Biography and review of the artist's retrospective at the Museum of Modern Art in New York City
   http://www.cosmopolis.ch/english/cosmo26/gerhard_richter.htm

Roberts, William  
   Biographical and bibliographical information on the British artist with reproductions of some works and a list of his works in public collections.
   http://www.users.waitrose.com/~wrs/