Miscellaneous estate and political papers and journal of China expedition Memorial to the Laird of Cobairdie by his tutor concerning the estate of Rothiemay, giving its extent and rental with comments on woodlands, garden and mansion house (1700); Two letters from Lord Buchan in Edinburgh concerning: (i) reform of the peerage of Scotland to prevent succession through the female line; (ii) reform programme of the Pitt Government (1785); Garden account for tropical fruit trees (1797); General Lord Saltoun's journals, expedition in China (1841- 1842); Correspondence to Lord Saltoun from the Lord Lyon concerning Earldom of Ross (1902); Letter of reference from George Braid for A. G. Brown, later Philorth estate factor (1897). 1700 - 1902