Archive of papers of the family of Sir Alexander Dick, formerly Cunyngham, of Prestonfield, Edinburgh, pioneer propagator of rhubarb, friend of James Boswell and host of Dr Johnson on his tour of Scotland, including an autograph letter in French by Boswell's brother Thomas, merchant in Valencia, announcing the birth of Boswell's daughter Elizabeth in 1780; a folio account book kept at Prestonfield between 1697 and 1721, opening: "Accompt of Money Given/ Toward Householding, and for my oun pocket with severall other Necessaries/ To my Ladie Touards Housekeeping £102/ To Mr Heriot for ane Jurnall and Leger book £19-6s-2d/ Paid David Burton Acct Glass work £32..."; a grant by Sir James Dick of Prestonfield to Elizabeth Auchinleck in 1680; sets of accounts, charges and discharges for Sir Alexander Dick of Prestonfield for 1764, 1773/4, 1778 and 1782; memorials anent the Earl of Abercorn and Duddington Lock, 1764; numerous legal documents such as bonds, discharges etc., the account book of some 250 pages, disbound, outer leaves torn, elsewhere some dust-staining etc., folio, 4to, and 8vo, Prestonfield, Edinburgh, late seventeenth to late eighteenth century