1931 Files: Authority for Kuomintang representatives to issue passports Unit ID: 252/84200. AJCP Reel No: 6480
1931 Files: British Agency and Consulate: estimates, 1932-1933 Unit ID: 256/84291. AJCP Reel No: 6483 Date: 1932/1933
1931 Files: British Services estimates, 1931-1932 Unit ID: 248/84144. AJCP Reel No: 6476 Date: 1931/1932