| RefNo | Title |
| KHAC6/6074/3 | Game account book |
| KHAC6/6074/41 | Photograph of several men and dogs on a shoot |
| KHAC6/6074/61 | The Tatler (Christmas No. 76) |
| KHAC6/6074/8 | Letter to Frank Cowlard from Viscount Mandeville, California [USA] |
| KHAC6/6074/62 | Typed notes on Mrs Cowlard's memories of working at the castle |
| KHAC6/6074/9 | Letter to Frank Cowlard from Nell, Lady Mandeville, Pennsylvania [USA] |
| KHAC6/6074/42 | Photograph of Lord Mandeville shooting and Frank Cowlard holding his gun |
| KHAC6/6074/39 | Photograph of Frank Cowlard retrieving rabbits from nets at Kimbolton |
| KHAC6/6074/33 | Scrap of estate office headed paper with the Viscount and Viscountess' addresses noted in pencil |
| KHAC6/6074/60 | The Illustrated Sporting and Dramatic News |
| KHAC6/6074/4 | Game account book |
| KHAC6/6074/35 | Illustrated catalogue of English Period Furniture at Kimbolton Castle to be sold at auction by Messrs. Knight, Frank & Rutley |
| KHAC6/6074/46 | Photogtaph of Lord Mandeville, Mr Lewis and Mr Lumbers on a shoot |
| KHAC6/6074/57 | Portrait photograph of a man and woman |
| KHAC6/6074/24 | Letter to Frank Cowlard from Viscount Mandeville, Kapsirowa [Kenya] |
| KHAC6/6074/2 | Gamekeeper's notebook containing rough notes on game killed each month with payments |
| KHAC6/6074/38 | Photograph of Major Farley, Lord Mandeville and Frank Cowlard laying rabbit nets at Kimbolton |
| KHAC6/6074/51 | Photograph of assembled gamekeepers at Kimbolton [copy of 6074/50] |
| KHAC6/6074/49 | Copy photograph of Major R. Farley, Frank Cowlard and another gentleman identified only as 'David' with Snug the dog on a shoot |
| KHAC6/6074/44 | Photograph of a man with a basket standing in the pheasant rearing field [at Kimbolton or Brampton] |
| KHAC6/6074/5 | Game account book |
| KHAC6/6074/20 | Letter to Frank Cowlard from Lieutenant Patrick Grant, B Company, 5th Battalion The Seaforth Highlanders |
| KHAC6/6074/52 | Photograph of men working on the chicken nesting boxes at Kimbolton |
| KHAC6/6074/10 | Letter to Frank Cowlard from Viscount Mandeville, H.M.S. Eagle |
| KHAC6/6074/47 | Photograph of Major Farley and gamekeeper Tom Saunders on a shoot |
| KHAC6/6074/26 | Letter to Frank Cowlard from Nell, Lady Mandeville |
| KHAC6/6074/28 | Letter to Frank Cowlard from the Duke of Manchester, aboard the S.S. African Lightening, Trinidad |
| KHAC6/6074/55 | Copy photograph of Frank Cowlard |
| KHAC6/6074/34 | Christmas card from Charles and Vivien Oppenheim |
| KHAC6/6074/25 | Letter to Frank Cowlard from Nell, Duchess of Manchester, Kapsirowa [Kenya] |
| KHAC6/6074/37 | Photograph of Lord and Lady Mandeville at Kimbolton Castle, possibly on their wedding day |
| KHAC6/6074/31 | Letter to Frank Cowlard from [?], Colombo [Ceylon] |
| KHAC6/6074/45 | Photograph of men at work in the pheasant rearing field [at Kimbolton or Brampton] |
| KHAC6/6074/48 | Copy photograph of Frank Cowlard, Lord Mandeville and another gentleman on a shoot |
| KHAC6/6074/56 | Photograph of the entrance to Kapsirowa, the Duke and Duchess's residence in Kenya |
| KHAC6/6074/54 | Photograph of men working on the chicken nesting boxes at Kimbolton |
| KHAC6/6074/53 | Photograph of men working on the chicken nesting boxes at Kimbolton |
| KHAC6/6074/16 | Letter to Frank Cowlard from Viscount Mandeville, Colombo [Ceylon] |
| KHAC6/6074/22 | Letter to Frank Cowlard from Viscount Mandeville, Kapsirowa [Kenya] |
| KHAC6/6074/11 | Letter to Frank Cowlard from Viscount Mandeville, H.M.S. Eagle |
| KHAC6/6074/21 | Letter to Frank Cowlard from Viscount Mandeville, aboard the S.S. African Star |
| KHAC6/6074/59 | The Illustrated Sporting and Dramatic News |
| KHAC6/6074/15 | Letter to Frank Cowlard from Viscount Mandeville, Colombo [Ceylon] |
| KHAC6/6074/30 | Letter to Frank Cowlard from the Duke of Manchester, Kapsirowa [Kenya] |
| KHAC6/6074/7 | Letter to Frank Cowlard from Viscount Mandeville, San Francisco [USA] |
| KHAC6/6074/32 | Letter to Frank Cowlard from the Duke of Manchester, Kapsirowa [Kenya] |
| KHAC6/6074/50 | Photograph of assembled gamekeepers at Kimbolton |
| KMAN1/A/18/41 | Viscount and Lady Mandeville's private financial papers |
| KHAC6/6074/43 | Photograph of a shooting party with Lord and Lady Mandeville seated and Major Farley and another gentleman beside them |
| KHAC6/6074/6 | Proposals for the Kimbolton Syndicate Shoot |
| KHAC6/6074/1 | Gamekeeper's notebook containing lists of the number of rabbits sold and to whom and lists of game killed on the estate and where |
| KHAC6/6074/40 | Photograph of men and dogs gathered in a field near Kimbolton |
| KHAC6/6074 | Correspondence and papers of Frank Cowlard (1891-1951), Head Gamekeeper on the Duke of Manchester's estate at Kimbolton |
| KHAC6/6074/18 | Letter to Frank Cowlard from Nell, Lady Mandeville, Colombo [Ceylon] |
| KHAC6/6074/27 | Letter to Frank Cowlard from Nell, Lady Mandeville, Kapsirowa [Kenya] |
| KHAC6/6074/17 | Letter to Frank Cowlard from Viscount Mandeville, Colombo [Ceylon] |
| KHAC6/6074/19 | Letter to Frank Cowlard from Viscount Mandeville, Colombo [Ceylon] |
| KHAC6/6074/23 | Letter to Frank Cowlard from Viscount Mandeville, Kapsirowa [Kenya] |
| KHAC6/6074/29 | Letter to Frank Cowlard from the Duke of Manchester, aboard the S.S. Robin Gray |
| KHAC6/6074/58 | Cowlard family photograph album |
| KMAN1/A/8/4 | Naval training log kept by Lord Mandeville at R.N. College Keyham and on board the H.M.S. Temeraire |
| KHAC6/6074/36 | Signed photograph of Lord and Lady Mandeville at Kimbolton Castle, possibly on their wedding day |
| KMAN1/A/18/40 | Christmas cards sent to Viscount and Viscountess Mandeville |
| KMAN1/A/18/42 | Viscount and Lady Mandeville's private financial papers |
| KMAN1/A/18/43 | Viscount and Lady Mandeville's private financial papers |
| KHAC6/6074/12 | Letter to Frank Cowlard from Viscount Mandeville, H.M.S. Eagle |
| KHAC6/6074/13 | Letter to Frank Cowlard from Viscount Mandeville |
| KHAC6/6074/14 | Letter to Frank Cowlard from Viscount Mandeville, H.M.S. Eagle |
| KMAN1/A/18/39 | Telegrams and letters of congratulations sent to Viscount and Viscountess Mandeville on the birth of their son |
| KMAN1 | Records of the Montagu family of Kimbolton Castle |
| KMAN1/A/12/7/206 | Letter to Viscount Mandeville, from his mother, Helena, Dowager Duchess, Grand Hotel Panhans, Semmering [Austria] |