(book) "Uneasy Dreams: The Golden Age of British Horror Films, 1956-1976". Revised edition. Jefferson, NC: McFarland & Company, 2006. ISBN-10 0786426616; ISBN-13 9780786426614
(book) "Epic Films: Casts, Credits and Commentary on Over 350 Historical Spectacle Movies". Second edition. Jefferson, NC: McFarland & Company, 2004. ISBN-10 0786415304; ISBN-13 9780786415304