Analyzing Literature by Words and Numbers

"Dan Cohen and Fred Gibbs, the two historians of science at George Mason University who have created the project, have so far charted how frequently more than two dozen words — among them “God,” “love,” “work,” “science” and “industrial” — appear in British book titles from the French Revolution in 1789 to the beginning of World War I in 1914."

http://www.nytimes.com/2010/12/04/books/04victorian.html