1936 August 13 – September 29. Details of a seven-week trip to Munich for a study course with excursions and some discussion of local politics
1938 October 14 – November 20. Diaries and letters giving details of a driving expedition from Istanbul to Nishapur, Iran, en route to India. Along the way Mainprice and party visit the Green Mosque at Bursa, Inegöl, Sultaniye, Hatay, Antioch, Tripoli, Khossrovi, Nishapur.
1938 November 21 – 1939 January 14. Diaries in two parts, detailing the journey from Nishapur to Loralai [Bori] and from Loralai to Amraoti [Amravati]. Daily details of early career in the ICS.
1939 January 15 – October 9, October 30 – December 31.