| RefNo | Title |
| KMAN1/A/10/9/7 | Opinion on the case of the Duke of Manchester's health following his treatment for a head wound |
| KMAN1/A/49/12/2 | Letter to the Duke of Manchester from R. W. Morton[?] |
| KMAN1/A/49/12/6 | Letter to Lord Frederick Montagu from Lord Liverpool, Coombe Wood |
| KMAN1/A/49/12/9 | Account of the fees and duties incurred in the appointment of the Duke of Manchester as Postmaster General |
| KMAN1/A/10/13/2 | Notes labelled "General Remarks" containing additional legal notes on the case of Lecesne and Escoffery |
| KMAN1/A/23/3 | Lease and release for property at Kimbolton |
| KMAN1/A/49/17/2 | Letter to the Duke of Manchester from the Duke of Wellington, Walmer Castle [Kent] |
| KMAN1/A/10/9/12 | Bundle of loose unrelated papers |
| KMAN1/A/21B/8/3 | Letter to Lord Mandeville from the Duke of Bedford, Woburn Abbey |
| KMAN1/A/10/9/9 | List of the Duke of Manchester's chaplains 1793-1826, compiled by the Faculty Office |
| KMAN1/A/49/17/1 | Draft letter addressed to Prince Lieven, unsigned [in the hand of the 5th Duke of Manchester] |
| KMAN1/B/69/2 | Particulars and Valuation of Sundry Freehold Estates situate in the Parishes of Kimbolton, Covington & Keyston... belonging to His Grace the Duke of Manchester |
| KMAN1/A/49/12/7 | Copy extract from a letter to Lord Liverpool from Lord Frederick Montagu |
| KMAN1/A/49/12/4 | Copy extract from a letter to Lord Liverpool from Lord Frederick Montagu, Southampton |
| KMAN1/A/21B/8/4 | Draft letter to the Duke of Bedford from Lord Mandeville, Ramsgate [Kent] |
| KMAN1/A/10/13/3 | Correspondence, mainly between the Duke of Manchester and H. J. Hinchcliffe, about the legal case involving Lecesne and Escoffery |
| KMAN1/A/10/13/4 | Published pamphlet titled "Two Letters to The Colonial Secretary from Hector Mitchel in Answer to The Yellow Book" |
| KMAN1/A/10/13/1 | Handwritten notes, presumably compiled by the Duke and/or his lawyers in preparation for the legal case regarding the deportation of Lecesne and Escoffery from Jamaica |
| KMAN1/A/10/13/5 | Unbound volume labelled "Confidential No. 4. J. Horton" containing a published letter from Stephen Lushington to Courtenay, setting out the facts of the case |
| KMAN1/A/10/13/6 | Bundle of contemporary newspaper reports referring to the case of Lecesles and Escoffery |
| KMAN1/A/10/2 | Extract from a Jamaican newspaper condemning Rear Admiral Sir Home Popham for receiving men of colour while stationed at Jamaica |
| KMAN1/A/10/13 | Papers relating to the Duke of Manchester's involvement in the deportation of Louis Celeste Lecesne and John Escoffery from the island of Jamaica |
| KMAN1/A/21B/8/5 | Letter to Lord Mandeville from the Duke of Bedford, Edinburgh |
| KMAN1/A/21B/8/7A | Letter to Lord Mandeville from Lord John Russell, Woburn Abbey |
| KMAN1/A/21B/8/7B | Draft letter to Lord John Russell from Lord Mandeville |
| KMAN1/A/10/9/6 | Three letters from Lady Susan Montagu, estranged wife of the 5th Duke of Manchester, to her son Viscount Mandeville |
| KMAN1 | Records of the Montagu family of Kimbolton Castle |
| KMAN1/A/10/32 | Manuscript notebook containing an account by Susan, Duchess of Manchester, of the circumstances leading to her separation from her husband, the 5th Duke of Manchester |
| KMAN1/A/49/16/3 | Letter to the Duke of Manchester from P...[?], possibly the Earl of Powys |
| KMAN1/A/17/3/8/35 | Engraving commemorating the appointment of the Duke of Manchester as an Honorary Member of the Royal Jennerian Society |
| KMAN1/A/49/16/1 | Letter to the Duke of Manchester from Lord Bathurst, Mansfield Street |
| KMAN1/A/49/16/2 | Letter to the Duke of Manchester from R. M. Morton[?], Derry Street |
| KMAN1/A/49/12/5 | Letter to Lord Frederick Montagu from Earl Bathurst, Stanhope Street |
| KMAN1/A/49/12/12 | Societe Francaise de Statistique Universelle: admission of the Duke of Manchester as an honorary member |
| KMAN1/A/49/12/10 | Letter to the Duke of Manchester from J. Vernon, Treasury Chambers |
| KMAN1/A/49/12/11 | Circular letter from the Earl Marshal's Office, Whitehall, seeking confirmation of those Peers who intend to be present at the Coronation |
| KMAN1/A/49/12/14 | Letter to Lord Frederick Montagu from Lord Bathurst, Stanhope Street |
| KMAN1/A/49/17/3 | Memorandum labelled "In Relation to the Game Laws" |
| KMAN1/A/49/16/4 | Unfinished letter addressed to "My Lord", unsigned |
| KMAN1/A/49/12/8 | Letter to Lord Frederick Montagu from Lord Liverpool, Bath |
| KMAN1/A/49/12/1 | Letter to the Duke of Manchester from …[?], Foreign Office |
| KMAN1/A/49/12/3 | Letter to Earl Bathurst from the Duke of Manchester |
| KMAN1/A/49/18 | Address to the 5th Duke of Manchester, on his resignation of the office of Lord Lieutenant of Huntingdonshire |
| KMAN1/A/17/4/13/1 | Prints of portraits by the Masters in the possession of the Duke of Manchester in 1880, published by The Arundel Society |
| KMAN1/A/17/4/6/2 | Invitation to the coronation of King William IV addressed to William Duke of Manchester |
| KMAN1/A/21B/9/16 | Letter to the Duke of Manchester from Prince Lieven, Dover Street [London] |
| KMAN1/A/23/6B | Commission of William Duke of Manchester to the rank of Colonel in the army |
| KMAN1/A/21B/8/10 | Letter to Lady Mandeville from Lord Frederick Montagu, Berkeley Square |
| KMAN1/A/21B/8/11 | Letter to Lady Mandeville from Lord Frederick Montagu, Berkeley Square |
| KMAN1/A/21B/8/17 | Letter to Lady Mandeville from Hugh Wade Gery, Bushmead Priory |
| KMAN1/A/21B/8/32 | Letter to Lord Frederick Montagu from the Duke of Bedford, Hamilton Place |
| KMAN1/A/21B/8/33 | Letter to Lady Mandeville from Lord Frederick Montagu |