Personal correspondence and papers, including correspondence relating to Symington's pension entitlement (1964-65), and a letter from P N Damry about the Bhils Dated as: 1926-c82
Papers as Director, Northern Rhodesian Chamber of Mines, including articles by Symington on the parallels between Indian constitutional development and the Central African Federation, and on the employment of African labour in the Copperbelt and the Employers' negotiating machinery
Correspondence with the BBC about his broadcast 'India Remembered' (1957) and other possible broadcasts; miscellaneous correspondence with other media organizations
Letters from Mrs Taw Phaya (Princess Rita, granddaughter of King Thibaw), Professor Walter S Desai, and others, chiefly concerning information for Symington's book on Thibaw, last King of Burma
Cuttings, photographs and negatives of Thibaw, last King of Burma, Queen Sapalayat, their daughters, other members of their family and attendants, and their residence at Ratnagiri, Bombay, collected by Symington as illustrations for his book on Thibaw