We also studied how they did cave painting and watched a video online of the cave paintings in France, then Billy made his own (on paper).
- BBC documentary - Walking with Cavemen
- 'Step into the Stone Age' by Charlotte Hurdman
- Usborne Internet-Linked Encyclopedia Of World History
- "The Everyday life of an Ice Age Hunter" by Giovanni Caselli
- Video of actual cave paintings in France - http://www.culture.gouv.fr/culture/arcnat/chauvet/en/index.html