van Beek, Martijn. “Ora Et Labora. Devotion and Scholarship in the Italian Drawings of the Madonna by Juan Ricci De Guevara”. Incontri. Rivista Europea Di Studi Italiani, vol. 34, no. 1, Sept. 2019, pp. 36-53, https://doi.org/10.18352/incontri.10284.