General

The Internet Movie Data Base - an indispensable source of information about movies, directors, etc.
Russian Cinema (University of Southern California)
Cinema russe
Russian Painting 
Socialist Realism
Socialist realism in the Ukraine
Histoire du cinema russe et sovietique

Eisenstein, Sergei
http://www.abamedia.com/rao/gallery/old/eisen.html
Brief bio, filmography, photos.
http://www.carleton.edu/curricular/MEDA/classes/media110/Severson/eisenste.htm
Photos, material on Eisenstein by professor at Carleton.
http://www.liketelevision.com/web1/movies/october/
Eisenstein's classic movie October with music by Shostakovich complete, in broadband and free!
Goya's Tres de mayo

Mikhalkov, Nikita
http://www.trite.ru/
Contains photos, a biography, details of his career and films.

Paradzhanov, Sergo
http://www.parajanov.com/maestro.html

Tarkovsky, Andrei
http://skywalking.com/tarkovsky/index.html
Contains a short biography of the filmmaker, a filmography, lists of books and articles, links.
http://www.rollins.edu/Foreign_Lang/Russian/rublev.htmlhttp://www.rollins.edu/Foreign_Lang/Russian/rublev.html
Andrei Rublev