ibiblio
Ibiblio: Web Museum: Frans Hals
Web Museum gives you biographical information about Frans Hals. There are also links to three of his paintings but not "The Merry Drinker".
Art Cyclopedia
Artcyclopedia: Willem Claesz Heda
Artcyclopedia has links to Museums and Galleries an the Internet that have the work of Willem Claesz Heda on display.
Art Cyclopedia
Artcyclopedia: Claude Lorrain
Artcyclopedia gives you Claude Lorrain links to museums and galleries on the Internet.
New Advent
Catholic Encyclopedia: Nicolas Poussin
The Catholic Encyclopedia site gives you a rather extensive biography on Nicolas Poussin. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated around...