Correspondence of Thomas Graham is chiefly with his factor, Henry Burt, concerning his estate of Balgowan, but includes also some letters from eminent friends and acquaintances not included in MSS.3590-3645. There are also papers of Mrs M E Maxtone Graham concerning the publication of her book ‘The beautiful Mrs Graham’, and typescript material and correspondence concerning a projected book on Lord Lynedoch.

John Nisbet`s diary and memoranda book lists significant events in his life including a ‘Tour to the Highlands in 1818’, eyewitness accounts of the Radical Riots in Paisley, 1820, and George IV’s visit to Edinburgh, 1822. There are also lengthy passages on ‘The State of Trade in Paisley, 1825-1826’ and on national and international affairs including the French Revolution of 1830. Also included are genealogical notes and household and medical recipes.