The contents are as follows:
(i) Will of the 9th Marquess of Tweeddale and papers concerning the executry of the 8th Marquess of Tweeddale, 1874-1876 (folio 1);
(ii) Birth certificate, 1886, of Lord Arthur Vincent Hay (folio 28);
(iii) Printed election addresses, 1865, 1868, of the 10th Marquess of Tweeddale to the electors of Taunton and East Lothian (folio 29);
(iv) Official papers, 1890-1898, of the 10th Marquess of Tweeddale as Lord High Commissioner to the General Assembly of the Church of Scotland (folio 52);
(v) Papers of the 10th Marquess of Tweeddale concerning the Indian Mutiny, especially the disturbances at Simla in 1857 (folio 70);
(vi) Miscellaneous papers, circa 1865-1868, undated, of the 10th Marquess of Tweeddale concerning India, being chiefly drafts and notes in the hand of the 10th Marquess for parliamentary speeches (folio 156).