21. IOR/L/MIL/7/19238 Reference (shelfmark): IOR/L/MIL/7/19238 Title: Collection 433/1 Chemical warfare: use and supply of gas and gas apparatus in India, appointment of chief chemical adviser (Major Salt) in India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1919-1922 Extent: 1 file
22. IOR/L/MIL/7/19245 Reference (shelfmark): IOR/L/MIL/7/19245 Title: Collection 433/7 Chemical warfare: training of troops in use of respirators, incidence of cost of training British troops in India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1928 Extent: 1 file
23. IOR/L/MIL/7/19258 Reference (shelfmark): IOR/L/MIL/7/19258 Title: Collection 433/20 Part 1 Chemical Defence Research Establishment, India: appointment of J.A. Anderson, S.J. Stedman, L.C. Hemens, D.C. Evans, H. Garnett, B.C. Oddie. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928-1938 Extent: 1 file
24. IOR/L/MIL/7/19259 Reference (shelfmark): IOR/L/MIL/7/19259 Title: Collection 433/20 Part 2 Chemical Defence Research Establishment, India: appointment of G.A. Parry, T.F. Watkins, K.L. Calder. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1938-1946 Extent: 1 file