Title deeds, legal papers and correspondence mainly re. acquisition of land and property in Dundee and Perth 1846-1902; Tay Bridge Enquiry and Bill 1869-1888; the Springfield Accident 1885; legal actions 1888-1895; Amalgamation Bill 1890; the acceleration of mails between Dundee and England 1890-1892; the Dundee Extension and Improvement Act 1892.
Legal papers, mainly relating to dispute between John Berry, Tayfield, and the Newport Railway Company 1862-1874; Minutes of meetings of directors and shareholders 1866-1876; The Newport Railway Act 1867, bills and other Parliamentary papers relating to the Newport Railway, 1867-1873, The North British Railway, 1877-1878, The Caledonian Railway, 1878; papers relating to shareholders' meetings 1872-1877; correspondence relating to the purchase of land and legal papers 1873-1891; directors reports 1874-1876; statement of accounts 1874-1875; correspondence with the Board of Trade 1877.
Household and personal accounts of the Dalyell family 1856-1892; account books c.1860-1873; miscellaneous writings mid-1860s; various notebooks 1848-c.1858; miscellaneous correspondence and papers c.1852-1873; miscellaneous correspondence, mainly letters to John James Dalyell with a few letters to James Dalyell 1857-1885; miscellaneous correspondence and papers concerning the activities of local golf and cricket clubs 1859-1873; miscellaneous correspondence and papers mainly relating to the affairs of the 3rd Forfarshire Artillery Volunteers 1862-1872; miscellaneous correspondence and papers mainly relating to his work as commission agent and agent of the Royal Insurance Co 1860-1878; folder containing miscellaneous cartoons, drawings and pages from almanacs 1840-1862; miscellaneous papers, mainly relating to John James Dalyell and Mrs Marie Anne Dalyell; private letter books 1868-1873; letter books 1860-1873; business cash books, ledgers, journals order book and bill book relating to the Royal Insurance Co 1860-1873.
Thomas Thornton's diary and notes from lectures and towards an essay, probably whilst studying law at Edinburgh University 1847-1849; personal account books of J.J. Thow, Edinburgh and possibly of T.D. Thow [brother] of J.J. Thow 1850-1851; inventory and valuation of stock of James Cargill, draper, Arbroath 1854; Laws and regulations of the Carnoustie Co-operative Association 1860; minutes and accounts for Mrs Lillias Currance or Ogilvies Mortification for Old Men 1862-1911; regulations and bye-laws of Dundee Lunatic Asylum 1866; valuation of mill property belonging to the Trust Estate of Thomas Meldrum Henry, Flaxspinner, Kirkcaldy 1879; papers re. patents, vehicle brakes, Dundee Carriage Co and Anglo-French Motor Carriage Co Ltd 1896-1916; report to the Water Committee of Arbroath Town Council on the Burgh water supply 1896; Papers re. St Joseph's Industrial School 1909-1910; advertisements for John Thornton, draper, Forfar,  and 'Arctic' Cold Storage Machine 1900-1903. These papers were kept on behalf of their clients by Thomas Thornton, Son & Co in the course of their practice as solicitors.
Street Road accounts 1836-1837; Scottish Widows' Fund Life Assurance Society: report of the procedure at the 35th Annual General Court 1849; papers re. actions between George Horsley and Matthew Henry Horsley, owners of the ship 'SS Hesper' of West Hartlepool, against Baxter Brothers, Dundee, 1892 and J. & A.D. Grimond, Dundee, and others 1892-1894; James Howieson and Peter Talbert, sheepfarmers, against David Ross 1893-1894; William Scott Taylor against David Forrester 1895; liquidation of London and Montrose Shipbuilding and Engineering Co Ltd 1895-1897; Eben Thomas & Co, Importers, Liverpool, against Messrs Rattray & Munro, Ham Curers and Sausagemakers, Dundee 1896-1897; dispute over the initiation of Jack Johnson, "the well known pugilist", as a member of the Masonic lodge Forfar and Kincardine; papers relating to Blairgowrie Water Supply 1905-1906; papers re. tram services in Dundee; specification for Brick and Mason work for proposed saw shed on Dundee Harbour eastern wharf 1896; printed copies of Acts re. Public Libraries 1887-1894. These papers were kept on behalf of their clients by Thomas Thornton, Son & Co in the course of their practice as solicitors.
Papers relating to plans in the Thornton Collection, including books of references, sales particulars, terriers, schedules and correspondence 1843-1918. These papers were kept on behalf of their clients by Thomas Thornton, Son & Co in the course of their practice as solicitors.
Minutes 1942-1951; cash books 1905-1962; register of visitors 1940-1962; legal papers and miscellaneous correspondence 1892-1950; reports of architects with related correspondence concerning the state of repair of Newtyle Church, manse outbuildings 1926-1927; miscellaneous legal papers relating to repairs, gifts and bequests, investments and valuation of property 1909-1926; statements of Account from the National Bank of Scotland to the Bannatyne Home of Rest 1949-1956.
Miscellaneous papers and correspondence, mainly relating to James Dalyell's career in the Royal Navy and in HM Coast Guard Service 1814-1860; notebook containing copies of letters to his father, Sir James Dalyell 1823-1833; copy correspondence to his father, Sir James Dalyell 1833-1837; copy correspondence to his father c.1836-1840; correspondence, mainly copies, with Robert [later General] Dalyell (third brother of Sir James Dalyell), 1819-1825; correspondence with his uncle, Colonel Robert Dalyell, 1841-1848; correspondence with his uncle, William Cunningham Cavendish Dalyell (youngest brother of Sir James and later 7th Bart of the Binns); miscellaneous correspondence of James Dalyell, with some correspondence of John James Dalyell 1832-1870; miscellaneous letters and documents, mainly relating to the career and financial affairs of James Dalyell; miscellaneous papers and correspondence of James Dalyell and John James Dalyell 1826-1883; notebooks and loose notes containing diaries of travels by James Dalyell in southern France during the summers of 1828 and 1832-1834; certificates, 1814 - 1857; literary essays and poems; commissions, 1862-1870; miscellaneous items, 1831 - 1881; newspaper cuttings, 1853 - 1927; receipts and accounts relating to the trust fund of David Guillan, 1854 - 1867; Miscellaneous receipts and accounts, 1717 - 1866; family trees and other papers relating to the Morgan and Crammond families, 1724 - 1970; prints of Egypt.
Maps and plan, mainly of Dundee, Angus, Perthshire; subjects include property, railways, water supplies, harbours, River Tay, roads, estates, Ordnance Survey c.1771-1940. These plans were kept on behalf of their clients by Thomas Thornton, Son & Co in the course of their practice as solicitors.
The Dundee and Arbroath Railway (Dundee Station) Act 1851, despatch book 1891-1893 and Inventory of 1903; draft precognitions and other legal papers relating to the Kirkcaldy and District Railways Bill 1891.
Dundee and Arbroath Railway; Kirkcaldy District Railways
Papers, correspondence and accounts relating to drainage of land on the Morphie estate 1854-1884, with states of rents payable by the tenants of Morphie and Stone of Morphie 1876-1883; reports and specifications, offers and other correspondence relating to construction of Morphie Hill Road,1873-1878; inventory of leases and policies of insurance belonging to Baron Grahame 1877; valuations and copies of surveyors' reports re. Morphie Dam Dyke, 1879-1881, and to buildings at Stone of Morphie and Mill of Morphie, 1882; statements of offers for lands and property, draft leases and other legal correspondence relating to Morphie estate 1880-1889; accounts of the trustees of Baron Grahame with Thomas Thornton Son & Co, Dundee 1881-1885; accounts and receipts of James Barclay Grahame as curator bonis to Baron Francis Barclay Grahame 1890-1891.
Inventories and valuations of furniture etc., in Thornton Castle, Laurencekirk belonging to Mrs Thornton and Miss Scott and 13 plans of buildings belonging to the Thornton Estate surveyed by Northern Assurance Co Ltd. Thornton Castle, near Laurencekirk in the parish of Marykirk, Kincardineshire is known to date back to at least 1531. It was an ancient seat of the Strachan family. The property was acquired by Alexander Crombie, an advocate and land agent, in 1804, was considerably refurbished in the following years, and was later owned by Sir Thomas Thornton.
Title deeds of Feddinch and Cairnsbank in the regality and barony of St. Andrews, Cairns and other lands in the barony of Strathmiglo, Fife and lands in Dundee 1518-1784; chartularies of Ferryden, in the parish of Craig, [Angus] 1795-1837; legal papers relating to various properties in Dundee 1874-1877. These papers were kept on behalf of their clients by Thomas Thornton, Son & Co in the course of their practice as solicitors.