ibiblio
Ibiblio: Web Museum: Velazquez, Diego
This site provides good biographical information and links to several of Velazquez's works, including "Innocent X."
ibiblio
Ibiblio: Web Museum: Vermeer, Jan
This site offers brief biographical information about Vermeer but emphasizes his works. Over 20 paintings are featured as enlargeable images so you can get a close look at each one. Several works have in depth description and analysis...
Web Gallery of Art
Web Gallery of Art: Nicolas Poussin
Provides a biography of Nicolas Poussin along with links to some of his works and other related information.
CGFA
Carol Gerten Fine Arts: Diego Velazquez
This presentation brings you many of the works of Diego Velazquez. You can link out to a biography from Encarta.