Rousseau, Theodore
- Biography on one of the founders of the Barbizon Movement. Also included is a picture of the artist.
- http://www.rehs.com/Theodore_Rousseau_Bio.html

NCAW - Rungius, Carl
- Alexander Nemerov's scholarly article Haunted Supermasculinity: Strength and Death in Carl Rungius's Wary Game.
- http://19thc-artworldwide.org/spring_03/articles/neme.html

The William Roberts Society
- 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/

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

William Robson
- 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/