Egerton MS 2550

KEYS to cyphers used by Sir Edward Nicholas; 1646-1658, and undated. The names of the correspondents are [Henry Jermyn, 1st] Lord Jermyn; 1646, f. 1. Charles I.; n. d., 1647, ff. 3, 5. Henry May, Sir Gilbert Talbot, Richard Lane and others; 1649, f. 8. Col. Robert Phillips [Phelipps], Sir Henry Cary, and Col. Alexander Keynes; 1650, f. 9 [Henry Wilmot] Earl of Rochester, and [Thomas Wentworth] Lord Wentworth; 1653, f. 11. Sir William Bellenden and Sir Mamaduke Langdale; 1653, f. 13. " Mr. Alton " [Major Nicholas Armorer]; 1653, f. 14. Lieut.-Gen. John Middleton; 1654, n. d., ff. 15, 72. Sir Francis Mackworth and John Duncombe; 1654, f. 17. Sir Henry de Vie; 1654, f. 18. Capt. Peter Mews, Sir William Denny, Sir Michael Hobart, and Col. Alexander Durham; 1654, f. 20. "Mr. Rowe"; 1655, f. 22. "Mr. T. St. and Mr. Lipes namesake, Mr. Miles and Mr. Cha. Littleton 1658, f. 24. [Jane] wife of Sir E. Nicholas, ff. 28, 40. Sir William Compton, John Berkenhead, and Sir Arthur Hopton, f. 30. Marquis of Ormonde's cypher with the king, f. 31. Sir Henry Compton, Ambassador in Portugal, f. 31. Lord Jermyn, Sir John Berkeley, and Marquis of Ormonde, f. 36. Sir Edward Hyde and others, f. 42. [Richard Boyle, 2nd] Earl of Cork, ands Joseph Jane, f. 44. Joseph Jane (?)and Jolin Nicholas, f. 46. Sir Richard Byron, f. 47. Dr. [George] Morley and Lady Isabell [Thynne?], and Coll. Whitley, Mr. Alton," f. 49. [Endymion] Porter, Sir Francis Dodington, [George Digby, 2nd] Earl of Bristol, Edward Villars [Villiers], and Gervase Holles, f. 51. " [Nicholas] Oudart, al. [Robert] Thomson, sen., and T[homas] N[eville], f. 52. Sir Richard Browne and "vnckle Fitton," f. 54. Sir George Strode, " Vulpone," Richard Harding, Dr. Lewis, Sir George Carteret, [Jolin] Clutterbuck, Sir John Grenville, Sir Richard Grenville, - Hodder, f. 56. Richard Fanshawe, and Percy Church, f. 58. Prince Rupert, f. 60. [James Livingstone] Viscount Newburgh, f. 62. [George Goring, 1st] Earl of Norwich, John Ashburnham, and [William Seymour, 1st] Marquis of Hertford, f. 65. Col. Herbert Price and William Coventry, f. 67. [John] Rootes, f. 68. " Mr. Gore" [Col. Robert Phelipps], f. 70. " Mr. Jackson [Charles II.] and many others," f. 71. Sir Edward Hyde, [alias?] " Mr. Knack 1649, f. 74. Col. Whit[ley] and [Thomas] Mompesson, f. 78. " Cipher in words Wch Will. Peters hath Wth him for ye kin-," f. 83. " Mr. Dovey and Mr. J[oseph?] J[ane?]," f. 85.

At ff. 32, 33, 76, 77, are cyphers with correspondents unnamed, the first with the note : " This ye Rebell[s] haue taken & therefore, noe more to 'be vsed." Paper; ff. 85. Folio.

Sir Edward Nicholas, Secretary of State: Keys to cyphers used by him: 1646-1658.

Cyphers: Keys to cyphers used by Secretary Nicholas: circ. 1645-1660.

includes:

• ff. 1, 36 Henry Jermyn, Baron Jermyn (1643); Earl of St. Albans (1660): Keys to his cyphers with Sec. Nicholas: 1646, n.d.
• ff. 3, 5 Charles I of England: Keys to cyphers.
• f. 8 Sir Richard Lane, Lord Keeper: Key to his cypher with Sec. Nicholas: 1649.
• f. 8 Sir Gilbert Talbot: Key to his cypher with Sec. Nicholas: 1649.
• f. 8 Henry May: Key to his cypher with Sec. Nicholas: 1649.
• f. 9 Sir Henry Cary: Key to his cypher with Sec. Nicholas: 1650.
• f. 9 Alexander Keynes, Colonel: Key to his cypher with Sec. Nicholas: 1650.
• ff. 9, 70 Robert Phelipps, Colonel [pseudonym : Gorge.]: Keys to his cyphers with Sec. Nicholas: 1650, n.d.
• f. 11 Henry Wilmot, 1st Earl of Rochester: Key to his cypher with Sec. Nicholas: 1653.
• f. 11 Thomas Wentworth, Baron Wentworth; of Nettlested, son of Thomas, 1st Earl of Cleveland: Key to his cypher with Sec. Nicholas: 1653.
• f. 13 Sir Marmaduke Langdale, 1st Baron Langdale (1658): Key to his cypher with Sec. Nicholas: 1653.
• f. 13 Sir William Bellenden: Key to his cypher with Sec. Nicholas: 1653.
• f. 14 Sir Nicholas Armorer, Major: Key to his cypher with Sec. Nicholas: 1653.
• ff. 15, 72 John Middleton, 1st Earl of Middleton; High Commissioner to the Scotch Parliament, afterwards Governor of Tangier: Keys to his cyphers with Sec. Nicholas: 1654, n.d.
• f. 17 John Duncombe: Key to his Cypher with Sec. Nicholas: 1654.
• f. 17 Sir Francis Mackworth: Key to his cypher with Sec. Nicholas: 1654.
• f. 18 Sir Henry De Vic, Baronet: Key to his cypher, with Sec. Nicholas: 1654.
• f 20 Alexander Durham, Colonel: Key to his cypher with Sec. Nicholas: 1654.
• f. 20 Sir Mi. Hobart: Key to his cypher with Sec. Nicholas: 1654.
• f. 20 Sir William Denny: Key to his cypher with Sec. Nicholas: 1654.
• f. 20 Captain Peter Mews, Bishop of Bath and Wells (1672), and of Winchester (1684): Key to his cypher with Sec. Nicholas: 1654.
• f. 22 Rowe, Mr: Key to his cypher with Sec. Nicholas: 1655.
• f. 24 W- Miles: Key to his cypher with Sec. Nicholas: 1658.
• f. 24 Charles Lyttelton: Key to his cypher with Sec. Nicholas: 1658.
• ff. 28, 40 Jane Nicholas, wife of Sir E Nicholas: Keys to her cyphers with her husband.
• f 30 Arthur Hopton, Secretary to Lord Cottington's Embassy in Spain; Knight and Ambassador 1638: Key to his cypher with Sec. Nicholas.
• f. 30 Sir William Compton: Key to his cypher with Sec. Nicholas.
• f. 30 Dr John Berkenhead: Key to his cypher with Sec. Nicholas.
• ff. 31, 36 James Butler, 1st Duke of Ormonde: Keys to his cyphers with the King and Sec. Nicholas.
• f. 34 Sir Henry Compton, Ambassador in Portugal: Key to his cypher with Sec. Nicholas.
• f. 36 Sir John Berkeley, 1st Baron Berkeley of Stratton (1658): Key to his cypher with Sec. Nicholas.
• ff. 42, 74 (under the pseudonym Mr. Knack) Edward Hyde, 1st Earl of Clarendon: Keys to his cyphers with Sec. Nicholas: 1649, n.d.
• f. 44 Richard Boyle, Viscount Dungarvin; afterwards 2nd Earl of Cork: Key to his cypher with Sec. Nicholas.
• ff. 44, 46, 85 Joseph Jane: Keys to his cyphers with Sec. Nicholas.
• f. 46 Sir John Nicholas, son of Secretary Nicholas, Clerk to the Privy Council: Key to his cypher with Sec. Nicholas.
• f. 47 Sir Richard Byron, afterwards 2nd Baron Byron: Key to his cypher with Sec. Nicholas.
• f. 49 Aiton, a pseudonym?: Key to his cypher with Sir E. Nicholas.
• f. 49 Lady Isabella Thynne, daughter of H Rich, lst Earl of Holland, wife of Sir James Thynne: Key to her cypher with Sec. Nicholas.
• f. 49 George Morley, Bishop of Winchester: Key to his cypher with Sec. Nicholas.
• ff. 49, 78 Robert Whitley, Colonel: Keys to his cypher with Sec. Nicholas.
• f. 51 George Digby, 2nd Earl of Bristol: Key to his cypher with Sec. Nicholas: circ. 1655.
• f. 51 Edward Villiers: Key to his cypher with Sec. Nicholas.
• f. 51 Gervase Holles, Colonel: Key to his cypher with Sec. Nicholas.
• f. 51 Endymion Porter: Key to his cypher with Sec. Nicholas.
• f. 51 Sir Francis Dodington: Key to his cypher with Sec. Nicholas.
• f. 52 Thomas Neville: Key to his cypher with Sec. Nicholas.
• f. 52 Nicholas Oudart, [pseudonyms: ' Robert Thomson senior ', ' De Garde,' and ' 469 '], Clerk of the Signet, etc: Key to his cypher with Sec. Nicholas.
• f. 54 Fitton: Key to his cypher with Sec. Nicholas.
• f. 54 Sir Richard Browne, Resident at Paris: Key to his cypher with Sec. Nicholas.
• f. 56 John Clutterbuck: Key to his cypher with Sec. Nicholas.
• f. 56 'Vulpone': Key to cypher with Sec. Nicholas.
• f. 56 Hodder: Key to his cypher with Sec. Nicholas.
• f. 56 Dr - Lewis: Key to his cypher with Sec. Nicholas: 17th cent.
• f. 56 Richard Harding: Key to his cypher with Sec. Nicholas.
• f. 56 Sir John Grenville, 1st Earl of Bath (1661): Key to his cypher with Sec. Nicholas.
• f. 56 Sir George Strode: Key to his cypher with Sec. Nicholas.
• f. 56 Sir Richard Grenville: Key to his cypher with Sec. Nicholas.
• f. 56 Sir George Carteret, Lieutenant -Governor of Jersey: Key to his cypher with Sec. Nicholas.
• f. 58 Percy Church: Key to his cypher with Sec. Nicholas.
• f. 58 Sir Richard Fanshawe: Key to his cypher with Sec. Nicholas.
• f. 60 Rupert, Prince; Count Palatine of the Rhine: Key to his cypher with Sec. Nicholas.
• f. 62 James Livingston, 1st Viscount Newburgh: Key to his cypher with Sec. Nicholas.
• f. 65 William Seymour, Marquis of Hertford: Key to his cypher with Sec. Nicholas.
• f. 65 Sir George Goring, Baron Goring (1628) and Earl of Norwich (1644): Key to his cypher with Sec. Nicholas.
• f. 65 John Ashburnham: Key to his cypher with Sec. Nicholas.
• f. 67 William Coventry: Key to his cypher with Sec. Nicholas.
• f. 67 Herbert Price, Colonel [pseudonym: Hen.Whitmore]: Key to his cypher with Sec. Nicholas.
• f. 68 John Rootes: Key to his cypher with Sec. Nicholas.
• f. 71 Charles II of England: Key of his cypher, under the pseudonym Jackson, with Sir E. Nicholas.
• f. 78 Thomas Mompesson, [pseudonym, Thomas Man]: Key to his cypher with Sec. Nicholas.
• f. 83 William Peters: Key to his cypher with Sec. Nicholas.
• f. 85 Dovey: Key to his cypher with Sec. Nicholas.