ibiblio
Ibiblio: Web Museum: Titian
Very informative article on Titian's career as an artist, his works, his styles of painting, and his influences.
University of St. Andrews (UK)
University of St. Andrews: Albrecht Durer
Early biographical information about his family, images of his self-portraits, his travels, his influences, and his career as an artist. Many links to photos and other sites.