Krass, U. 2022. Mulata, Morisco, African Slave? Thoughts on an Elusive Protagonist in a Painting by Velázquez. 21: Inquiries into Art, History, and the Visual. 2, 4 (Jan. 2022), 3–34. DOI:https://doi.org/10.11588/xxi.2021.4.83644.