Name
- Bilderbeck, Agent for the Elector Palatine at Cologne1
- Calvert, George, 1st Baron Baltimore, 1580-1632, http://isni.org/isni/000000...1
- Campbell, Archibald, 7th Earl of Argyll1
- Carleton, Dudley, 1st Viscount Dorchester, diplomat, art collector and letter writer, 1573-1632, http://isni.org/isni/000000...1
- Conway, Edward, 1st Viscount Conway and 1st Viscount Killutagh, politician, 1564-1631, http://viaf.org/viaf/170490561
- Dietrichstein, Maximilian, Count, correspondent of James Hay, Viscount Doncaster, fl 16201
- Dohna, Achatius, Burgrave, educator and diplomat, 1581-16471
- Donne, John, poet and clergyman, 1572-1631, http://isni.org/isni/000000...1
- Fairfax, Thomas, 3rd Baron Fairfax of Cameron, Parliamentarian military officer, 1612-16711
- Frederic, Elector Palatine of the Rhine, King of Bohemia; of Add MS 299751
- Hainhofer, Philipp, correspondent of James Hay, 1st Earl of Carlisle, fl 1619-16201
- Herbert, Edward, 1st Baron Herbert of Cherbury, 1582?-16481
- James VI and I, King of Scotland, England and Ireland, 1566-1625, http://isni.org/isni/000000...1
- John, Counts Palatine of Zweybrück1
- Lincoln's Inn[remove]1
- Martyn, William, of Egerton MS 25931
- Matthew, Toby, of Egerton MS 25921
- Mornay, Philippe de, seigneur du Plessis-Marly, also known as Duplessis-Mornay, 1549-16231
- Morton, Albertus, Secretary of State1
- Murray, of Egerton MS 25931