1. Reed Wicander, James S. Monroe, Historical Geology: Evolution of the Earth and Life through Time, West Publishing Company, 1993, 640 pages.

2. Richard E. Leakey, Roger Lewin, Origins, England, Rainbird Publishing Group Limited, 1977, 264 pages.

3. Steve Parker, Micheal Day, The Dawn of Man, New Burlington Books, 1992, 143 pages ( note: the pictures on the directory pages are from the Dawn of Man).

4. National Geographic, Volume 189, No. 3, pg. 96.

5. Out of Africa, Ruth Flanagan, Earth, pg.28.

6. Department of Earth Science, Hominid Collection (Photo of skull on title page).

Evolution of Man Directory