. . . . . . . "1760" . . . . . . "Annibale Francesco Della Genga" . . . . . . . . "Annibale della Genga" . . . . . . . . . . . "XII" . . . . "Pope Leo XII" . . . . . . . "Pope Leo XII" . "1760-08-02" . . . "the pope" . . "Bishop of Rome" . "Annibale Francesco Clemente Melchiorre Girolamo Nicola della Genga" . . . . "1829-02-10" . "Pope Leo XII#Bibliography" . . . "pope Leo XII" . . . . . . . . . . . . . . . . . . . "Pope Leo XII" . "Annibale Sermattei della Genga" . . "1829" . . . . . "Leo XII" . "Pope Leo XII's" . "Annibale Francesco Clemente Melchiore Girolamo Nicola della Genga" . . . . . . . .