Jawaharlal Nehru, Bunch of Old Letters (Delhi, 1958), pp. 260 — 62; and the Basu diaries, read in the handwritten original in New Delhi, November, 1977, along with an interview with Dr. B. K. Basu, who was a member of the five-man mission. Further details in Congress Party and Nehru papers, Nehru Library, New Delhi, files for 1937-38.