Five boxes contain writs, 1489 - 1806, inventories, 1489 - 1806, wills and marriage contracts, 1641 - 1803, and associated papers of the lands and Baronies of Arnage and Auchlossin and other lands belonging to the families of Ross of Arnage and Ross of Clochan, viz. Clochan, Colp, Kinnermit, Foresterhill, etc. Related estate papers include Acts of Baron Court, 1702 - 1748; rentals, 1702 - 1798, 1810 - 1821; estate tenants' valuation book, 1685 - 1784; tacks and other estate papers, 1694 - 1843; estate ledger, 1768 - 1801; and meal accounts, 1764 - 1765.
Also relating principally to estate matters, are six boxes containing accounts, discharges and receipts (personal, household, legal and estate), 17th c - 19th c; correspondence, 18th c - 19th c; and miscellaneous papers, 17th c - 19th c. The correspondence is largely unsorted, and amongst it are photographs, family mementoes, and newspaper cuttings containing references to family members, 19th c. Topics of interest identified thus far include letters from Turnerhall re. marches, 1785; letters re. Martha Ross's marriage and death, 1776 - 1777; and business correspondence and papers of J. Leith Ross, W.S., 1799 - 1804. Miscellaneous items include an 18th c almanac, The Shepherd's Kalendar, or ,The Citizen's and Country Man's Daily Companion; note by John Ross of Clochan, burgess of Aberdeen, of his expenses of attendance as a member of the Scots Parliament, 1664; and map by A. Gibb, lithographer, Aberdeen, of the north eastern districts of Aberdeen, showing the lines of the Great North of Scotland Railway, Alford Valley Railway, Old Meldrum Railway, Banff, Macduff and Turriff Railway and proposed Formartine and Buchan Railway, with estates of proprietors supporting, opposing and neutral to the said proposed line, Mar 1858.
A variety of personal papers are included in this collection. Items of interest include account books kept by Christian Howieson, widow of John Ross of Clochan, during her son's minority, 1668 - 1686; and by Christina Ross, 1791 - 1803 (this volume also contains the accounts of Walter Robinson, 1686 - 1687 and of John Ross, 1714, some of which relate to trading in the Netherlands). The papers of George Ross of Clochan, merchant in Aberdeen, comprise book of tacks granted of town property, 1673 - 1714, with accounts, 1673 - 1699; account books, 1679 - 1705 (including entries relating to the Netherlands) and 1691 - 1697; and merchant's pocket reference book on weights, measures and coinage, entitled Specie Boeck , (Amsterdam, 1675). Also of interest are papers, correspondence and accounts of John Ross, of Arnage, relating to his residence in East Florida as plantation factor, and claim made against him (including land grant and manumission of a slave), 1775 - 1790. There are additionally some twentieth century papers belonging to Major Leith Ross and Mrs Leith Ross, including items relating to India and to the United States army.
A single box contains records of the lands and Barony of Bourtie, belonging to the family of Anderson of Bourtie, 1387 - 1832. This include writs, 1570 - 1825, inventories, 1387 - 1832, Acts of Baron Court (with Aberdeen fiars' prices, etc.), 1608 - 1702; and wills, marriage contracts, passports, etc., 1570 - 1832.