Called Woolf Online, it is a remarkable piece of scholarship melded with technological know-how. It includes holographs, printer proofs, images of the front pages of newspapers published during the time Woolf was writing the novel, images of St. Ives during the early 20th century and much more.
Take some time to explore the site. Then bookmark it. I guarantee you will want to go back.
According to the site, the initial idea and overall organization of the project was the work of Julia Briggs (1943-2007), in whose memory it has been completed by a team of exceptional individuals.