The Nuttall Encyclopedia
General of the Dominicans, born in Gaeta; represented the Pope at the Diet of Augsburg, and tried in vain to persuade Luther to recant; wrote a Commentary on the Bible, and on the "Summa Theologiæ" of Aquinas.
Wood, James, ed. Entry for 'Cajetan, Cardinal'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/c/cajetan-cardinal.html. Frederick Warne & Co Ltd. London. 1900.