study of handwriting
- "Barry Beyerstein Q&A". Ask the Scientists. Scientific American Frontiers. Retrieved 2008-02-22. "they simply interpret the way we form these various features on the page in much the same way ancient oracles interpreted the entrails of oxen or smoke in the air. i.e., it's a kind of magical divination or fortune telling where 'like begets like'".  Archived 2007-02-20 at the Wayback Machine
- "Graphology, on season 8, episode 2". PBS. Scientific American Frontiers. Chedd-Angier Production Company. 1997–1998. Archived from the original on 2006.