The Straight Dope on handwriting analysis

Also replay the video segment on graphology online from Scientific American Frontiers called "paper personality"

Some proponent's web sties:

A "self test" of Graphology.

American Graphological Center for all your graphology needs...

According to Dr. Robert Park of the American Physical Society no spy has ever been caught with a lie detector test. In fact some of the most notorious and convicted traitors passed many tests of the polygraph.

See: the polygraph entry of the Skeptic's dictionary and Liars Never Break a Sweat  by Robert Park