Imagi-nation: Thomas Middleton: Biographical article.
Luminarium: Thomas Middleton: Includes a biography and annotated links to online resources.
The Cambridge History of English and American Literature: Middleton and Rowley: Biography and background information.
The Plays of Thomas Middleton: With images, links, and complete texts of Any Thing for a Quiet Life, The Changeling, A Chaste Maid in Cheapside, Complete on-line works, A Fair Quarrel, The Family of Love, Hengist King of Kent, No Wit, No Help Like a Woman's, The Old Law, The Phoenix, The Puritan, The Roaring Girl, A Trick to Catch the Old One, The Witch, Your Five Gallants.
United Independent Picture Limited: Site on the 1998 film of The Changeling, directed by Marcus Thompson, with a synopsis and history of the play.