Letters, memos, reports, ledgers and other papers relating to various aspects of Mackie's life, including being candidate, MP, Chair, Senior Member and Peer of the Scottish Liberal Party and Liberal Party. Papers relating to his farming and business interests in Scotland and his rectorship at the University of Dundee. Also some papers relating to his father, Maitland and grandfather, John Mackie.
Reports, the Board of Directors and the Board of Lunacy. 1865-1948 Financial Records. 1906-1944 Patient Records. 1864-1985 Staff Records. 1829-1949 Records relating to asylum grounds and farm. 1939-1966 Publications. 1838-1963 Photographs and paintings. 1838-c 1960 Maps and Plans. 1864-1958