Source: WTL digital photograph on site in Mexico City, D.F.
Image: Close-up of the portrait of Sor Juana. This canvas is a copy of the original portrait by Miguel Cabrera, which is displayed in the Museo Nacional de Historia in the Castillo de Chapultepec.
(Technical note: This digital photograph was hand-held and taken without flash. Photography sans flash is permitted by the University.) In the National History Museum it is forbidden to take photographs of anything displayed in the museum's rooms, and, as of 2008, there is no book in print showing the museum's holdings.)