Regardless of your position on evolution v. creation, Charles Darwin and his work is historically significant. Now through the University of Cambridge most of Darwin’s writings and sketches are available online for free. The manuscripts and images are cataloged for easy searching or browsing.
Application for Education
The online Darwin Library is good resource for finding primary documents and teaching primary document research. The contents of the library can be used by students to examine the methods Darwin used and the development of his theories.