Essay of Dramatick Poesie
John Dryden's Essay of Dramatic Poesy (also Essay of Dramatick Poesie) was likely written in 1666 during the Great Plague of London and published in 1668. Dryden's claim in this essay was that poetic drama with English and Spanish influence is a justifiable art form when compared to traditional French poetry.
Source: Wikipedia — Essay of Dramatick Poesie (CC BY-SA 4.0)