Salvador González, José María. “‘Flos campi et lilium convallium’. Third Interpretation of the Lily in the Iconography of The Annunciation in Italian Trecento Art from Patristic and Theological Sources”. Eikón / Imago, vol. 3, vol. 3, nº 1, 2014, p. 75-96, doi: https://doi.org/10.5209/eiko.73389.