| OrderNo | Title | Date | Link |
| MS 661, ff. 237-238v | Correspondence between DEVEREUX (Robert), 2nd Earl of Essex, and HOWARD (Henry), 1st Earl of Northampton (1604) (copy). | | MSS/647-662/661/237-238v |
| MS 651, f. 159 | Correspondence between DEVEREUX (Robert), 2nd Earl of Essex, and HOWARD (Henry), 1st Earl of Northampton (1604). | | MSS/647-662/651/159 |
| MS 650, f. 49 | Correspondence between BACON (Anthony), Secretary to the Earl of Essex, and HOWARD (Henry), 1st Earl of Northampton (1604). | [1595] | MSS/647-662/650/49 |
| MS 659, f. 220 | HOWARD (Henry), 1st Earl of Northampton (1604). | | MSS/647-662/659/220 |
| MS 658, f. 55 | Letter from HOWARD (Charles), 2nd Baron Howard of Effingham, and (1596) 1st Earl of Nottingham, to CAREY (Henry), 1st Baron Hunsdon. | 1596 | MSS/647-662/658/55 |
| MS 659, f. 224 | Letter from SIDNEY, SYDNEY (Sir Robert), 1st Earl of Leicester (1618) and brother of Sir Philip SIDNEY, to HOWARD (Henry), 1st Earl of Northampton (1604). | | MSS/647-662/659/224 |
| MS 655, f. 11 | Letter from SIDNEY, SYDNEY (Sir Robert), 1st Earl of Leicester (1618); brother of Sir Philip SIDNEY, to HOWARD (Henry), 1st Earl of Northampton (1604). | | MSS/647-662/655/11 |
| MS 653, f. 48 | Letter from HOWARD (Henry), 1st Earl of Northampton (1604), to CECIL (William), Baron Burghley | | MSS/647-662/653/48 |
| MS 654, f. 309 | Correspondence between HOWARD (Henry), 1st Earl of Northampton (1604), and DEVEREUX (Robert), 2nd Earl of Essex (copy). | | MSS/647-662/654/309 |
| MS 655, f. 116 | Correspondence between HOWARD (Henry), 1st Earl of Northampton (1604), and CECIL (Sir Robert), 1st Earl of Salisbury (1605) (copy). | | MSS/647-662/655/116 |
| MS 658, f. 296 | Correspondence between DEVEREUX (Robert), 2nd Earl of Essex, and HOWARD (Henry), 1st Earl of Northampton (1604). | | MSS/647-662/658/296 |
| MS 658, ff. 97, 141 | Correspondence between HOWARD (Henry), 1st Earl of Northampton (1604), and CECIL (Sir Robert), 1st Earl of Salisbury (1605) (copy). | | MSS/647-662/658/97, 141 |
| MS 659, f. 287 | Letter from TALBOT (Gilbert), 7th Earl of Shrewsbury, to HOWARD (Henry), 1st Earl of Northampton (1604) | 1596 | MSS/647-662/659/287 |
| MS 659, f. 391 | Correspondence between HOWARD (Henry), 1st Earl of Northampton (1604), and (1596) 1st Earl of Nottingham, and DEVEREUX (Robert), 2nd Earl of Essex (copy). | | MSS/647-662/659/391 |
| MS 660, f. 275 | Correspondence between DEVEREUX (Robert), 2nd Earl of Essex, and HOWARD (Henry), 1st Earl of Northampton (1604) (copy). | | MSS/647-662/660/275 |
| MS 661, f. 66 | Letter from HOWARD (Henry), 1st Earl of Northampton (1604), to WHITGIFT (John), Archbishop of Canterbury (copy). | [1597] | MSS/647-662/661/66 |
| MS 700 | Shrewsbury Papers | 1511-1607 | MSS/694-710/700 |
| MS 3205 | Talbot Papers | 1506-1612 | MSS/3192-3206/3205 |
| MS 3202 | Talbot Papers | 1600-1632 | MSS/3192-3206/3202 |
| MS 711 | MISCELLANY | 17th century - early 18th century | MSS/711 |
| MS 709 | Shrewsbury Papers | 1284-1643 | MSS/694-710/709 |
| MS 3203 | Talbot Papers | 1583-1612 | MSS/3192-3206/3203 |
| MS 138 | MISCELLANY | 12th century-17th century | MSS/138 |