21. IOR/L/PS/12/4257 Reference (shelfmark): IOR/L/PS/12/4257 Title: Coll 37/23 Chinese Turkestan: Messrs Peters and Morton Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Apr 1932-21 Jun 1932 Extent: 1 file
22. IOR/L/PS/12/4273 Reference (shelfmark): IOR/L/PS/12/4273 Title: Coll 37/40 Chinese Turkestan: Mr Edward J Murray Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Jun 1933-15 Jun 1933 Extent: 1 file
23. IOR/L/PS/12/4312 Reference (shelfmark): IOR/L/PS/12/4312 Title: Coll 37/79 Tibet: Dr Walter Koelz (American scientist) Collection Area: India Office Records and Private Papers Languages: English Date Range: 30 Oct 1935-19 Mar 1936 Extent: 1 file
24. IOR/L/PS/12/4315 Reference (shelfmark): IOR/L/PS/12/4315 Title: Coll 37/81 Nepal: rules governing visits of foreigners Collection Area: India Office Records and Private Papers Languages: English Date Range: 18 May 1936-31 Aug 1945 Extent: 1 file
25. IOR/L/PS/12/4319 Reference (shelfmark): IOR/L/PS/12/4319 Title: Coll 37/85 Tibet: Dr Otto Samson, German botanist Collection Area: India Office Records and Private Papers Languages: English Date Range: 20 Jul 1936-27 Jul 1936 Extent: 1 file
26. IOR/L/PS/12/4320 Reference (shelfmark): IOR/L/PS/12/4320 Title: Coll 37/86 Tibet: Dr Krzesinki, a Polish subject Collection Area: India Office Records and Private Papers Languages: English Date Range: 12 Aug 1936-25 Mar 1937 Extent: 1 file
27. IOR/L/PS/12/4323 Reference (shelfmark): IOR/L/PS/12/4323 Title: Coll 37/89 Supply of maps of Karakorum range Collection Area: India Office Records and Private Papers Languages: English Date Range: 3 Oct 1940 Extent: 1 file
28. IOR/L/PS/12/4275 Reference (shelfmark): IOR/L/PS/12/4275 Title: Coll 37/42 Northern frontier: miscellaneous applications for permission to climb Mount Everest Collection Area: India Office Records and Private Papers Languages: English Date Range: 16 May 1925-18 Feb 1932 Extent: 1 file
29. IOR/L/PS/12/4235 Reference (shelfmark): IOR/L/PS/12/4235 Title: Coll 37/3 Afghanistan: 17 individuals; procedure regarding applications for visas Collection Area: India Office Records and Private Papers Languages: English Date Range: 13 Jan 1931-23 Mar 1939 Extent: 1 file
30. IOR/L/PS/12/4288 Reference (shelfmark): IOR/L/PS/12/4288 Title: Coll 37/55 Karakorum: Netherlands expedition 1935; Dr P C Visser Collection Area: India Office Records and Private Papers Languages: English Date Range: 27 Aug 1934-12 Feb 1935 Extent: 1 file