Letters from his brother Donald Campbell Macnabb; family and social news with some reference to his work in India; later from India, Ceylon, Australia, New Zealand, San Francisco and Mexico (1891-92). Dated as: 1858-75; 1891-92
Letters from his family; including letters from his sister Mary and her husband James Erskine Paterson concerning request of Lord Ripon to meet at Bologna to discuss Afghanistan affairs, May 1880.
Letters from various persons concerning erection of a monument over the grave of Lord Hastings in Malta; includes list of subscribers, plans, designs etc; press cuttings about other memorials to members of Hastings family, 1867.