Agreement between the Ministers Plenipotentiary of the Governments of Great Britain and China. Signed at Chefoo, 13 September 1876. Foreign Office, May 1877
Yunnan. The present conditions and future development of trade. Its agricultural and natural products. Railway prospects: letters from James Turner, Esq [at Talifu] to John Halliday, Esq, of the Arracan Company, London, dated 30 October and 20 November 1897 Public Works Dept, 1898
Memorandum respecting negotiations with China with regard to the undelimited section of the Burma-China frontier 1897 to June 1911. R T Nugent, Foreign Office, 12 Jul 1911
Final memorandum by the British Plenipotentiary, Tibet Conference. Sir A H McMahon, Simla: Foreign and Political Dept Secret (External) Letter No 90 of 23 Jul 1914 [L/PS/10/344: 3160/14]