Name
- Brissot de Warville, Jean Pierre, Girondist leader1
- Brooke and Clarke, Messrs1
- Brown, Charles, of Add MS 335401
- Bruce, Martha, wife of Charles, 5th Earl of Elgin1
- Bruce, Thomas, 7th Earl of Elgin, 1766-18411
- Brunet, M- J-1
- Brühl, Hans Moritz i-on, Count, Saxon Minister in London1
- Buchan, Alexander Peter, physician1
- Buckingham, James Silk, author and traveller, 1786-18551
- Bulley, John1
- Bunce, S-1
- Burdett, Francis, Baronet, MP1
- Burton, Francis, MP for Oxford; of Add MS 335411
- Buss, of Add MS 335441
- Callen, C- Sinclair1
- Cartwright, J-1
- Cartwright, Samuel, of Add MS 335461
- Cetto, August, Baron, Bavarian Minister in London1
- Chadwick, Edwin, Knight, social reformer and civil servant, 1800-18901
- Chance, H-, Barrister1