Eliot, T.S.
Some notes on the blank verse of Christopher Marlowe. In : Art and letters ; vol. 2, no 4 (1919).
http://www.bartleby.com/200/sw8.html.
"It would show, I believe, that blank verse within Shakespeare’s lifetime was more highly developed, that it became the vehicle of more varied and more intense art-emotions than it has ever conveyed since; and that after the erection of the Chinese Wall of Milton, blank verse has suffered not only arrest but retrogression."