Name
- Angelelli, Giuseppe, Marchese1
- Antamori, Paolo Francesco, Cardinal1
- Antonelli, Leonardo, Cardinal, Bishop of Palestrina1
- Antonini, Gaudenzio, Governor of Viterbo1
- Arezzo, Tommaso, Governor of Perugia1
- Arezzo?, Marquis1
- Artaud, Secretary of Legation at Florence1
- Bacher, Bartolomeo, Bishop of Ripatransone, 1726-18131
- Bandi, Giovanni, correspondent of Henry Stuart, Cardinal Duke of York, fl 17941
- Barco, Camilo Fernando, correspondent of Don Manuel Pasqual y Otto, fl 18051
- Barontini, Giuseppe, friar, fl 17841
- Bartoli, Vincenzo Venanzio, Prior of S. Domenico, Bologna, fl 17941
- Bartolozzi, Carlo1
- Bat, -, French émigré, fl 17941
- Bergagnati, Silvestro, Abbate1
- Bergantelli, Vincenzo Maria, Avvocato, Ajutante di Studio to Cardinal York1
- Berioli, Spiridione, Archbishop of Urbino1
- Berlinghieri, Eduardo, Cavaliere1
- Black, Adam, of Add MS 346171
- Bonelli, Giuditta Azili1