Euclid's Elements http://aleph0.clarku.edu/~djoyce/java/elements/elements.html
American History
The George Washington Papers http://lcweb2.loc.gov/ammem/gwhtml/gwhome.html
Theodore Roosevelt. Selected Works http://www.bartleby.com/tr/index.html
Shakespeare
The Julius Caesar Site http://www.perseus.tufts.edu/JC/
Your Genes, Your Choices
http://ehrweb.aaas.org/ehr/books/index.html
This Dynamic Earth: The Story of Plate Tectonics http://pubs.usgs.gov/publications/text/dynamic.html
Deserts: Geology and Resources http://pubs.usgs.gov/gip/deserts/
Literature
Innocents Abroad by Mark Twain
http://etext.virginia.edu/railton/innocent/iahompag.html
Jane Austen's Pride and Prejudice
http://www.pemberley.com/janeinfo/pridprej.html
Edgar Allan Poe's "The Fall of the House of Usher" http://www.poedecoder.com/essays/usher/
The William Blake Archive http://www.iath.virginia.edu/blake/main.html