Stanley Mordaunt Leathes, The Cambridge Modern History, Volume 2… (1904)
“ If we assume that personal grounds of animosity co-operated with intense hatred of foreign rule, a despairing sense that one last blow must be struck to free the Papacy once and for all from Spanish domination, and a stern conscientious antipathy to those methods of compromise with heretics which had been the chief mark of Charles' action in religious matters-if we assume that all these feelings worked together, each intensifying and exacerbating the other, then we can perhaps begin to understand the attitude of Paul. ”
