a commentary by the Dominican philosopher-theologian Thomas Aquinas

 https://macrotypography.blogspot.com/2016/03/

https://thomistica.net/news/2016/3/27/thomas-autograph-manuscripts-now-on-vatican-library-website

https://digi.vatlib.it/view/MSS_Vat.lat.9851/0051

http://www.mss.vatlib.it/guii/scan/link1.jsp?fond=Vat.lat.