1. IOR/L/E/7/1234, File 1855 Reference (shelfmark): IOR/L/E/7/1234, File 1855 Title: File 1855 Mr T W Johnstone: to study precautions taken to safeguard health of workmen Collection Area: India Office Records and Private Papers Languages: English Date Range: 10 Feb 1921-17 Nov 1921 Extent: 1 file