For Further Reading:
The Illustrated Shakepeare from E-Books, E-Texts and Multimedia [L] of the Libraries of UW of Madison
Interview on Richard III with Sir Ian McKellen from The Richard III and Yorkist History Server
The MGM Website for Richard III from MGM
Richard III compared to Hitler, Richard & Nietzsche from DR. NIGHAN'S SHAKESPEARE PAGE
Richard III: A Play for our Times from Thinkquest
Shakespeare in Quarto from the British Library
Summary & Analysis of Richard III from Classicnote.com by GradeServer