For Writing

http://www.galenet.com
Emerson, Our Contemporary by August Derleth
Emerson: A Collection of Critical Essays by Milton Konvitz & Stephen E. Whicher
The Letters of Ralph Waldo Emerson by George Cooke
Emerson Handbook by The Letters of Ralph Waldo Emerson
Emerson's Journals
All of Emerson's Works (well, perhaps not all, but...)

For Pictures

http://www.dramainnature.com by G. Arnell Williams
http://www.rwe.org

Thanks!