Smedley to Lennon, March 17, 1934; to Wilma Fairbank, March 30, 1934, in Fairbank, China Bound, pp. 76-77; and to Michaelis, April 4, 1934.On Chatto's last years in Leningrad see G. Adhikari, Introduction to Documents, vol. 1, pp. 83 — 84. In the Soviet Union, see the memoir of his Russian wife, L. E. Karunovskaia, »Vospominaniia L. E. Karunovskoi« in the Archive of the Leningrad Division of the Institute of Oriental Studies, fond 138, opis'2 (LOIVAN, Academy of Sciences, U.S.S.R.).