1911 Encyclopædia Britannica, Volume 7… (1911)
“ The enemies of Voltaire maintained that Crébillon was his superior as a tragic poet. The spirit of rivalry thus provoked induced Voltaire to take the subjects of no less than five of Crébillon’s tragedies—Sémiramis, Électre, Catilina, Le Triumvirat, Atrée—as subjects for tragedies of his own. The so-called Éloge de Crébillon (1762) , really a depreciation, which appeared in the year of the poet’s death, is generally attributed to Voltaire, though he strenuously denied the authorship. Crébillon’s drama is marked by a force too often gained at the expense of scenes of unnatural horror ”
