Scripts, sound recordings, and movies illustrate Vaudeville, and a special collection covers Harry Houdini. (
http://lcweb2.loc.gov/ammem/vshtml/vshome.html
)
The full text of many of Mark Twain's writings, some of them specially converted to make them easy to read online. (
http://www.lm.com/~joseph/mtwain.html
)
A detailed exhibit on the fire with contemporary texts and images. Fairly graphic -- and bandwidth-intensive. (
http://www.chicagohs.org/fire/index.html
)
Primary documents on city planning, from the United States and other English-speaking countries. Mostly from 1890-1915. (
http://www.library.cornell.edu/Reps/DOCS/homepage.htm
)