A. C. Swinburne: Contemporaries of Shakespeare (Gosse and Wise).

" Fortnightly Review, July, 1889.

" Letters (Gosse and Wise), Nos. lxii. and lxxiii.

A. Symons: Mermaid Series, two volumes.

Ashley H. Thorndike: Tragedy. Constable, 1908.

L. Wann: Shakespeare Studies (University of Wisconsin), vii.: “The Collaboration of Beaumont, Fletcher, and Massinger.”

Sir A. W. Ward: Cambridge History of English Literature, vol. v., chap. xiv.

" History of English Dramatic Literature, especially vol. iii., pp. 1-47.