Letters from his family concerning family news; including a letter and other papers relating to the capture of Rao Sahib by his brother James William Macnabb.
Draft (typescript) of Bill to make better provision f or administration of certain municipalities in the Punjab, c1941 and copy of Calcutta Municipal Gazette, Jul 1940.
Letters from his wife Jane Mary; some written from Loudon Castle refer to Hastings family, especially the slander against Lady Flora Elizabeth Hastings and the publication of her poems.
Cash books of Macnabb and his wife giving personal and household expenses; also list of family treasures and accounts for Mary's and Charlotte's weddings, 1852.
Letters from his son Rawdon Macnabb while at Eton, on board ship bound for India, and with the Hampshire Regiment at Nowshera; impressions of Indian life at Nowshera, Lucknow, Chowbuttia, Aden and Agar; his examinations and career prospects and joining the Central India Horse.