* Clay tablets: Clay tablets were used in ancient Mesopotamia and Egypt. They were made by pressing wet clay into a flat shape and then writing on the surface with a stylus.
* Papyrus: Papyrus is a material made from the stems of the papyrus plant. It was used in ancient Egypt, Greece, and Rome. Papyrus was made by cutting the stems into thin strips and then weaving them together.
* Vellum: Vellum is a material made from the skin of calves or sheep. It was used in Europe during the Middle Ages. Vellum was made by stretching the skin over a frame and then scraping it to remove the hair and fat.
* Bark: Bark was used by many different cultures around the world. It was made by stripping the bark from a tree and then pounding it flat.