| RefNo | Title |
| K588/C/12/15 | Letter from Yorke at the Admiralty with news of husband's appointment to the Channel Fleet. |
| K588/A/47 | Accounts of Sir Vincent Cotton with Lady Philadelphia Cotton for loan. |
| K588/C/9/7 | Letters from Joshua Rowley concerning family and social matters. (2 items). |
| K588/W/28 | Probate of will dated 11 May 1829 of Sarah Cotton of Brunswick Place, Bath, spinster. |
| K588/T/338 | Confirmation of 588/T/337 by Richard King, vice-admiral, and Maria King (daughter of Dame Philadelphia Cotton). |
| K588/C/12/6 | Letter from J.R. on vaccination against smallpox, etc. |
| K588/C/12/5 | Letters from M.A. Heathcote at Connington concerning the signing of the preliminaries of peace with France. |
| K588/C/12/1 | Letter from Sir Charles Cotton to Philadelphia Rowley before their marriage. nd [pre 1795]. |
| K588/C/12/3 | Letters from Lady Hardwicke at Wimpole on her health and family matters. (2 items). nd [?1798]. |
| K588/C/12/10 | Letter from Arabella G. on family and other matters. |
| K588/C/12/26 | Letter from her granddaughter, Elizabeth Ann King. |
| K588/A/45 | Account book of Lady Cotton. |
| K588/C/12/7 | Letter from Mary Nevile on family matters, etc. |
| K588/E/47 | Inventory of Madingley Hall, including detailed lists of books and paintings, by (?) Messrs Foster with annotations relating to sale or other mode of disposal. |
| K588/A/12 | Account book of Lady Cotton's rents (London properties). |
| K588/P/6 | Plan of monument to Lady Cotton. (2 items). |
| K588/E/44 | Inventory of pictures at Madingley, with postal cover |
| K588/C/12 | Correspondence of Lady Philadelphia Cotton (1763-1855) |
| K588/C/12/14 | Letter from her husband, off Toulon. |
| K588/C/17/15 | Letter of condolence from Thomas Gurney after the death of Lady Cotton. |
| K588/E/46 | List of plate and other effects and related memoranda |
| K588/T/340 | List of Lady Philadelphia Cotton's deeds relating to former Parsons estates and trusts created from them, 1709-1806. |
| K2554/1/502 | Tomb, Design for tomb of Lady Cotton and Vault repairs, all in Madingley church |
| K588/C/12/24 | Letter from St Vincent Cotton with family matters, etc. |
| K588/E/45 | Diagrams to show positions of pictures in different rooms in Madingley Hall |
| K588/C/12/9 | Letter from Earl St Vincent concerning his godson. |
| K588/F/44 | Journal of Philadelphia, Lady Cotton's travels in France, England and Wales with a few sketches of churches, etc. |
| K588/C/27/11A | Correspondence, etc, mainly to Lady P. Cotton, including epitome of wills of Lady P. Cotton, 1849, and Sir Charles Cotton, 1812, concerning East Smithfield estate. (214 items). |
| K588/F/43B | Diaries of Lady Philadelphia Cotton, widow of Sir Charles, died 1855. Entries very brief until later volumes, mainly family affairs and social visits. (44 items, 2 for 1833). |
| K588/A/14 | Account book of Lady Cotton's rents (London properties). |
| K588/A/46 | Account of Lady Cotton's estate. |
| K588/F/40 | Life of Sir Charles Cotton, baronet. |
| K588/T/339 | Confirmation of lease of 10 April 1822 of no.10 Manor Row (Dame Philadelphia Cotton to James Downes, turner) by Richard King, vice-admiral and Maria King. |
| K588/C/12/17 | Letters from Sarah Martin on family matters, etc ( 2 items). |
| K588/E/99 | Papers about Wellclose Square property and terms of Lady Cotton's will. |
| K588/C/12/21 | Letter concerning will of Anne Oldershaw (nee Cotton) from Alexander Cotton. |
| K588/C/12/19 | Letter from Elizabeth Stuart in Paris on family and social matters. |
| K588/C/12/12 | Letters from S. Downe on family matters and death of Admiral Rowley. (2 items). |
| K588/C/12/20 | Letter from Countess of Clarendon concerning a favour Lady Cotton had asked of her son. |
| K588/C/12/25 | Letter from William A. King her grandson, at school at Westminster. |
| K588/C/10/16 | Letter from Sir Charles Cotton to his wife enquiring after family, ?before battle. |
| K588/C/12/4 | Letters from her husband while at Torbay. (2 items). |
| K588/C/10/8 | Letter from Sir Charles to Lady Cotton concerning naval affairs, the death of Nelson, prospects of promotion, threat of Methodism. From on board the San Josef, Ushant. |
| K588/C/12/2 | Letter from Mr Joshua ?Rowley in Corsica giving an account of Sir Charles Cotton's part in Admiral Cornwallis' attack on French ships. |
| K588/C/30/4 | Facsimile of a letter from Marie Antoinette to Madame Elisabeth written before her execution. |
| K588/C/12/22 | Letter from her son St Vincent at Admiralty House concerning funeral of Sir Richard King, with draft. |
| K588/F/48 | Journal of Sir St Vincent Cotton's tour of Scotland in the form of letters to his mother. |
| K588/F/43A | Diaries of Lady Philadelphia Cotton, widow of Sir Charles, died 1855. Entries very brief until later volumes, mainly family affairs and social visits. (44 items, 2 for 1833). |
| K588/C/12/23 | Letter from Lady Antrobus concerning funeral of Sir Richard King. |
| K588/E/95 | Papers, chiefly solicitor's correspondence, with Philadelphia Cotton about financial rights and sale of Manor Row property to St Katherine's Dock Co. |
| KAR119/008 | Records of Cotton family of Madingley Hall |
| K588/C/12/8 | Letter from T.G. at Woodford concerning an accident to Bella, ?his wife, when her clothes caught fire. |
| K588/C/12/11 | Letter containing samples of lace from 23 Davies Street, Berkeley square. |
| K588/C/27/11B | Correspondence, etc, mainly to Lady P. Cotton, including epitome of wills of Lady P. Cotton, 1849, and Sir Charles Cotton, 1812, concerning East Smithfield estate. (214 items). |
| K588/C/12/13 | Letter from Rickerton at request of Lord Mulgrave on naval matters. |
| K588/C/12/18 | Letter from G. Bleasdale with bill and other papers concerning East Smithfield Improvement Act. (5 items). |
| K588/A/13 | Account book of Lady Cotton's rents (London properties). |
| K588/A/112 | Bills and lists of London and Cambridge debts at death of Lady Philadelphia Cotton. |
| K588/C/12/16 | Letter from officers of the San Josef expressing sympathy at death of her husband and a copy of her reply. (2 items). |
| K588/T/337 | Counterpart lease for 10 years of no. 2 Manor Row near Tower Hill, shown on plan in margin as shop adjacent to late Hambro' Arms. Dame Philadelphia Cotton of Madingley, widow, to George Foulkes, cheesemonger. |
| K588/T/341 | Schedule of Lady Philadelphia Cotton's deeds. |
| K509/3/1/5 | Letters and papers |