Ever wondered about the lead in pencils? - The Washington Post

Have pencils ever contained lead? - BBC Science Focus Magazine

Eugene Robinson

The Art of Wandering While Traveling - The New York Times

The Write Stuff: How The Humble Pencil Conquered The World

Nearly 120 children may have been poisoned by lead in applesauce - The Washington Post

Things You Never Knew About Pencils

Chemistry of Erasers Article, PDF, Carbon

Sold Price: Vintage 1979 Enesco Musical Wooden Rocking Horse Music Box WORKS October 3, 0120 6:00 PM EDT

The Sketchy History Of Pencil Lead Oh, the wonder of the humble pencil: Did you know that graphite was originally used to mark sheep? Or that people once used bread crumbs