Marilyn J. Brackney
Imagination Factory: Drawing on Kenaf
In addition to describing the texture and uses of kenaf, a tree-free paper made from a plant related to cotton and okra, this tutorial provides a lesson in drawing on kenaf and choosing pencils.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Lead in Your Pencil
Site uncovers the myth that pencils are still made of lead. Instead, they are made of graphite.