FREY, Charles. Plays in Performance: King John at Ashland. Journal of Dramatic Theory and Criticism, [S. l.], v. 1, n. 2, p. 167–174, 1987. DOI: 10.17161/jdtc.v1i2.1661. Disponível em: https://journals.ku.edu/jdtc/article/view/1661.. Acesso em: 6 may. 2024.