A meta-list of mainly academic resources organized on the theme of necessity vs. contingency in the study of time and evolution. http://www.snark.org/~pjhughes/
Annotated directory of links for students of evolution. Includes coverage of evolutionary theory, the history of evolutionary thought, Charles Darwin, human evolution, and the fossil record. http://nsm1.nsm.iup.edu/rgendron/EvolutionOnTheWeb.shtml