Footnote

a See the book entitled “The Pope the Vicar of Christ, the Head of the Church,” by the Roman Catholic Monsignor Capel; also pages 306, 307 of The Time Is at Hand, published in 1889 by the Watch Tower Bible and Tract Society. Note on page 308 the letter that St. Bernard, abbot of Clairvaux, wrote to Pope Eugenius III, in 1150.