The Cambridge History of English and American Literature in 18 Volumes (1907–21).
Volume X. The Age of Johnson.
§ 15. Their direct influence upon Modern Poetry
It was through Percy’s Reliques that the Middle Ages really came to have an influence in modern poetry, and this was an effect far greater than that of Ossian (which was not medieval) or that of The Castle of Otranto (which was not poetical). The Reliques did not spread one monotonous sentiment like Ossian, or publish a receipt for romantic machinery. What they did may be found in The Ancient Mariner, and is acknowledged by the authors of Lyrical Ballads:
It is strange that there should be so little of Reliques in Chatterton. What one misses in the Rowley poems is the irregular verse of the ballads; the freest measures in the Rowley poems are borrowed from Shakespeare; the ballad called the Bristowe Tragedie is in Percy’s second class, written with “a low or subordinate correctness sometimes bordering on the insipid,” e. g.,