Simpson, Percy, review of Frederick S. Boas, The Tragical History of Doctor Faustus, in Modern Language Review, 28.3 (1933), pp. 379–84, doi:10.2307/3715385

Simpson, Percy, ‘Thomas Middleton's "Women Beware Women"’, in Modern Language Review, 33.1 (1938), pp. 45–46, doi:10.2307/3715804

Simpson, Percy, ‘Ben Jonson and the Devil Tavern’, in Modern Language Review, 34.3 (1939), pp. 367–73, doi:10.2307/3717698

Simpson, Percy, review of Charles Francis Wheeler, Classical Mythology in the Plays, Masques, and Poems of Ben Jonson, in Modern Language Review, 34.3 (1939), pp. 435–36, doi:10.2307/3717713