Althorp Papers. Vols. mdcccxxxvii-mdcccxlviii. Correspondence with Forster, Frere and Co., solicitors, later Frere, Cholmeley and Co.; 1879-circa 1904. Most of the early letters are from Henry Goodford. The later ones are largely written by S. W. Forster. Also included are correspondence and papers relating to the auditing/accounting work of John McCraw. For later accountancy work see Prideaux, Frere and Brown, etc., below; 1857-1910. See also Northamptonshire Record Office, SOX585, SOX589; ...
Althorp Papers. Vols. mdcccxlix-mdcccli. Correspondence with Plaskitt and Gore, solicitors, of 4 New Square, Lincoln's Inn Fields, and later of 19 Lincoln's Inn; 1867-1903. The letters are mostly written by Joseph Plaskitt. Three volumes.
Althorp Papers. Vol. mdcccliii. Letters, including financial statements, from George Whitley (until 1885), and Charles Hoare at Hoare and Co., bankers; 1858-1909, n.d. For account books see below.
Althorp Papers. Vol. mdccclv, mdccclvi. Letters from Prideaux, Frere, Brown and Hannay, accountants; 1904-1910. Most of the letters are written by E. R. Frere. Two volumes.
Althorp Papers. Vol. mdccclii. 1. Letters from Farrer and Co., 66 Lincoln's Inn Fields, partly relating to Lord Stirling's marriage settlement; 1869-1903. 2. Correspondence with George Fottrell and Sons of Dublin, rel. Land Law, Arrears Act, etc.; 1882-1904.
Althorp Papers. Vol. mdcccliv. Letters from: 1. Harry Bourke and others of Brunton Bourke, stockbrokers; 1878-1902, n.d. 2. Robert White of Govett and Co., stockbrokers; 1898-1906.