Theodore Freylinghuysen Collier, 1911 Encyclopædia Britannica, Volume 6… (1911)
“ Politically the papacy had sunk to the level of pitiful helplessness, unable to resist the aggressions of the Powers, who ignored or coerced it at will. Yet Clement entertained high hopes for Catholicism; he laboured for a union with the Greek Church, and was ready to facilitate the return of the Protestants of Saxony. He deserves well of posterity for his services to learning and art ”
