11. IOR/L/PWD/7/1969 Reference (shelfmark): IOR/L/PWD/7/1969 Title: British Engineering Standards Association papers CB(EL)1772-CB(EL)4057 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927 Extent: 1 volume
12. IOR/L/PWD/7/1970 Reference (shelfmark): IOR/L/PWD/7/1970 Title: British Engineering Standards Association papers CB(EL)4316-CB(EL)6681 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: 1 volume
13. IOR/L/PWD/7/1971 Reference (shelfmark): IOR/L/PWD/7/1971 Title: British Engineering Standards Association papers CB(EL)6796-CB(EL)9099 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1929 Extent: 1 volume
14. IOR/L/PWD/7/1973 Reference (shelfmark): IOR/L/PWD/7/1973 Title: British Engineering Standards Association papers CB(EL)9732-CC(EL)2836 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930 Extent: 1 volume
15. IOR/L/PWD/7/1974 Reference (shelfmark): IOR/L/PWD/7/1974 Title: British Engineering Standards Association papers CC(EL)2922-CC(EL)3773 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931 Extent: 1 volume