The William Blake Archive
http://www.blakearchive.org/blake/
A hypermedia archive sponsored by the Library of Congress and supported by the University of North Carolina at Chapel Hill, the University of Rochester, and the Scholarly Editions and Translations Division of the National Endowment for the Humanities, with past support from the Institute for Advanced Technology in the Humanities at the University of Virginia, the Getty Grant Program, the Paul Mellon Centre for Studies in British Art, the Preservation and Access Division of the National Endowment for the Humanities, Sun Microsystems, and Inso Corporation.
The William Blake Page
http://www.gailgastfield.com/Blake.html
A website devoted to Blake's paintings and poetry, including a selection of complete texts and full-color reproductions of the etchings Blake used.