| RefNo | Title |
| KHINCH/10/27 | Letter; Thomas Coote, St. Ives, to 7th Earl of Sandwich |
| KCON/4/1/2/14 | Account Book Payments for wages and labour on Conington Castle estates. |
| KCON/4/2/9/2-4 | Cash Accounts; Conington estates: Quarterly statements. |
| KCON/2/2/6 | Codicil to will in CON 2/12/5 also cancelled by will of 1869. |
| KCON/4/2/23/7 | Schedule of Insurances Conington Estate. |
| KCON/4/2/9/5 | Cash Account Statement. Conington estate. |
| KHAC0/37/56 | Inskip Ladds - architectural drawings - buildings |
| KCON/4/1/2/9 | Account Book Conington Castle estates. Copy letter book. Statement of Cash Accounts. |
| KAH/26/241/48 | Mandate for induction: William Brereton, Rector of Steeple Gidding: patron, John Moyer Heathcote of Conington Castle Peterborough Esq. |
| KCON/2/2/5 | Will; John Moyer Heathcote, Conington Castle, Esq. |
| KCON/4/2/14/27 | Account to John M. Heathcote, Esq. from Thomas Parker, London. for expenses re. settlements on the Marriage of John M. Heathcote, Junr., Esq. with Miss L.C. Macloed. |
| KCON/4/1/1/10 | Rental of the Conington estate of John M. Heathcote.Conington, Steeple Gidding, Stukeleys, Upton, Sawtry, Alconbury. |
| KCON/4/1/3/1 | Estate Supplies Book Conington estates. |
| KCON/4/1/2/8 | Account Book; Conington Castle estates. Farm accounts. Details of sales and purchases of livestock, corn and seeds, dairy produce and poultry, oilcake and manure. Expenses for labour, market and misc. items. |
| KCON/3/1/E/13 | Agreement (copy) |
| KCON/4/1/2/10 | Wages Book Account of wages paid by John Heathcote for work done on his estate. |
| KAH/26/241/45 | Mandate for induction: St. John Wayne M.A., Rector of Conington: patron, John Mayer Heathcote Esq. |
| KAH/26/240/66 | Mandate for induction: Arthur Summer Walpole M.A., Rector of Steeple Gidding: patron, John Moyer Heathcote Esq. |
| KCON/2/2/8 | Further Codicil to CON 2/2/5 also cancelled. |
| KCON/4/2/23/9 | Statement of the boundaries between the lordship of Glatton-cum-Holme and that of Cynnyngton. (compiled by J.M. Heathcote. Possibly copied from an older document.) |
| KCON/4/1/2/15 | Account Book Conington estates. Misc. |
| KCON/4/2/7/10 | Glebe Terrier of Conington. |
| KCON/4/1/2/7 | Account Book Conington; Castle estates. Payments for labour, fen engine pumping, rates and taxes, gravel bought, ballast burning, Castle gardeners, gamekeepers, bricklayers and misc. items. Covers Conington, Sawtry, Alconbury, Steeple Gidding, Upton, and the Stukeleys. |
| KCON/4/1/2/5 | Account Book Conington Castle estates. Conington, Sawtry Upton, Steeple Gidding, Stukeley, Alconbury W. |
| KCON/4/2/9/7 | Cash Account; Statement: Conington estate: Farms in hand. Extracted from Mr. Hinton's Farm Cash Books. |
| KAH/26/241/32 | Mandate for induction: James Sowler, Rector of Steeple Gidding: patron, John Moyer Heathcote of Conington Castle Co. Hunt Esq. |
| KCON/5/9/3 | Letter to John M. Heathcote, 14 Curzon St., Mayfair, from Norton Rose Norton and Brewer, solicitors, enclosing Mr. Macheson's opinion and suggesting steps to be taken re deeds etc. |
| KCON/8/4 | Inventory of books at Conington Castle. |
| KCON/4/1/2/16 | Farm Account Book Conington. Payments only. |
| KCON/4/2/9/6 | Cash Account Statement: Conington estate. Farms in hand. |
| KCON/2/2/10 | Codicil to will of 1869, further to CON 2/2/5 |
| KAH/26/241/28 | Mandate for induction: Jonas Pilling M.A., Rector of Steeple Gidding: patron, John Moyer Heathcote Esq. |
| KCON/2/2/14 | Will (summary) Rev. George Heathcote. |
| KCON/2/2/18 | Will; John Moyer Heathcote (cancelling all previous wills) |
| KAcc148/UNCAT/5109/5/80 | Certificate of Acknowledgment of Deeds |
| KCON/2/5/A/17 | Grant of Annuity (Deed Poll) |
| KCON/2/2/16 | Will; John M. Heathcote |
| KCON/4/1/2/4 | Account Book Conington Castle estates. Usual farm accounts. |
| KCON/4/1/2/13 | Account Book Conington Castle estates. Payments for wages and labour. |
| KCON/2/2/9 | Further Codicil to CON 2/2/5 all above cancelled by new will of 9 Nov. 1869, which is missing from collection. |
| KCON/4/1/1/9 | Rental of the estate of John M. Heathcote. Conington, Sawtry, Steeple Gidding, Stukeleys, Upton, Alconbury, Holme. |
| KCON/4/1/2/6 | Account Book; Conington Castle estates. Usual farm accounts. |
| KAH/26/241/14 | Mandate for induction: Henry Warren Forbes, M.A., Rector of Conington: patron, John Moyer Heathcote Esq. |
| KAcc148/UNCAT/5109/10/146 | Conveyance of property in Clerkenwell, Middlesex |
| KCON/7/3/3 | Letter from Rev. R.C.M(acLeod), Mitford Vicarage, Morpeth late Rector of Conington, to (J.M.) Heathcote, re. stipend of Conington Rector. |
| KCON/2/2/12 | Further Codicil to the will of John Moyer Heathcote, Conington, Esq., Will dated 9 Nov. 1869. |
| KCON/4/2/9/8-13 | Accounts Conington estate: Profit and loss. Farms in hand. |
| KCON/2/2/7 | Further codicil to CON 2/2/5 also cancelled. |
| KCON/4/1/2/17 | Farm Account Book Conington. Receipts and Payments. |
| KCON/4/1/2/18 | Farm Account Book Conington. Receipts and Payments. |
| KCON/3/3/D/36 | Schedule of documents belonging to John Moyer Heathcote, Esq., relating to property in the above manor. |
| KCON/4/1/3/2 | Letter Book Conington Castle estates. Copy letters re. estate business. |
| KCON/5/9/2 | Memorandum re. the Trusts of the Will of Miss Catherine Moyer, decd. |
| KCON/7/9/2 | Letter to John (Heathcote?) from his uncle, The Rev. G. Heathcote, 5 Arlington St., S.W. |
| KCON/2/2/17 | Codicil made 8 Dec 1904 to will of John Moyer Heathcote - will of 31 Aug. 1898 |
| KAcc148/UNCAT/5109/9/115 | Conveyance of fee farm rent |
| KAcc148/2/A/96 | Release |
| KAcc148/UNCAT/5109/5/97 | Manor of Buckden with the Members: Compensation Agreement |
| KAcc148/UNCAT/5109/4/60 | Conveyance of Freeholds and Covenant to Surrender Copyholds, for freehold and copyhold lands in Offord Darcy, Huntingdonshire, including lands in Top, Middle and Further Red Lands |
| KCON/4/2/16/48 | Extract from Rent Audit Book of 1603-1612. of Money received in lieu of tithes on 28 Nov. 1603 by Mr. Henry Williamson, parson of Conington, fr. Sir Robert Cotton, Conington. |
| KCON/3/13/1 | Grant |
| KCON/4/1/2/12 | Account Book Conington Castle estate. Payments for wages and labour. |
| KCON/2/2/15 | Will; John M. Heathcote |
| KCON | Conington Collection |
| KCON/4/1/1/8 | Rental of the estate of John M. Heathcote. Conington, Steeple Gidding, Stukeleys, Sawtry, and some lands in Essex, Bucks and London. |
| KCON/4/1/1/7 | Rental of estate of John M. Heathcote. Conington, Sawtry, Steeple Gidding, Upton, Stukeleys, Holme, lands in Essex and Bucks. (Last entry not dated) |
| KAcc148/UNCAT/5109/4/62 | Conveyance of land adjoining railway line in Offord Darcy |