The contents are as follows: Letter of introduction from Robert Stephenson, civil engineer, to Robert Stevenson, civil engineer, 1823; Anonymous letter to the editors of Chambers’ Journal, 1841; and, letter from Marguerite, Countess of Blessingham to Patrick, Lord Robertson, 1845 (Dep.341/84);

‘Letters of old friends 1833-38’, includes earlier and later correspondence; bound volume, 1831-1851 (Dep.341/90);

‘Letters to Robert Chambers’, contains several letters from Robert Chambers to William Chambers; bound volume, 1837-1859 (Dep.341/93);

Domestic, personal and family correspondence, 1832-1879, of the Chambers family (Dep.341/109).