“Escalera espiritual en el poema El sueño de Geroncio, de John Henry Newman / Spiritual stairs in the poem The Dream of Gerontius, by John Henry Newman”, RevCau, vol. 13, pp. 557–568, Dec. 2018, Accessed: Sep. 26, 2026. [Online]. Available: https://www.cauriensia.es/index.php/cauriensia/article/view/XIII-A1