See Annotated Bibliography for full source list.

https://www.smu.edu/News/2012/hawn-exhibit-28aug2012

https://www.theartstory.org/artist/botticelli-sandro/life-and-legacy/

https://www.italian-renaissance-art.com/Sandro-Botticelli.html

https://www.britannica.com/place/Santa-Maria-delle-Grazie-church-Milan-Italy

https://www.thrillophilia.com/attractions/santa-maria-delle-grazie

The Last Supper - Santa Maria delle Grazie - Milan, Italy (beyondarizona.com)

https://www.historyhit.com/locations/palazzo-vecchio/

https://www.viator.com/tours/Florence/Palazzo-Vecchio-Morning-Guided-Tour/d519-29255P23

https://smarthistory.org/michelangelo-david/



https://www.pinterest.com/pin/9148005467762190/

https://smarthistory.org/michelangelo-last-judgment/

https://www.exurbe.com/the-scariest-library/

(Last 3 images)
https://travelnotesandbeyond.com/the-mystery-of-florences-cathedral-dome/