581. IOR/L/E/9/978-993 Reference (shelfmark): IOR/L/E/9/978-993 Title: Collection 150 Sugar Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924-1938 Extent: 16 files
582. IOR/L/E/9/994-1114 Reference (shelfmark): IOR/L/E/9/994-1114 Title: Collection 152 Tariff Board Enquiries Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924-1950 Extent: 121 files
583. IOR/L/E/9/1115-1143B Reference (shelfmark): IOR/L/E/9/1115-1143B Title: Collection 153 Trade Agreements: India and Empire (arising out of the Ottawa Conference) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1932-1947 Extent: 30 files
584. IOR/L/E/9/1144-1175 Reference (shelfmark): IOR/L/E/9/1144-1175 Title: Collection 154 Trade and Tariffs Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925-1949 Extent: 32 files
585. IOR/L/E/9/1176-1208 Reference (shelfmark): IOR/L/E/9/1176-1208 Title: Collection 155 Trade Commissioners Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928-1949 Extent: 33 files
586. IOR/L/E/9/1209-1220 Reference (shelfmark): IOR/L/E/9/1209-1220 Title: Collection 156 Treaties: General questions Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928-1948 Extent: 12 files
587. IOR/L/E/9/1221-1293 Reference (shelfmark): IOR/L/E/9/1221-1293 Title: Collection 157 Treaties with Foreign Countries Collection Area: India Office Records and Private Papers Languages: English Date Range: 1925-1940 Extent: 73 files
588. IOR/L/E/9/1294-1308 Reference (shelfmark): IOR/L/E/9/1294-1308 Title: Collection 158 Tea Collection Area: India Office Records and Private Papers Languages: English Date Range: 1930-1939 Extent: 15 files
589. IOR/L/E/9/1309-1370 Reference (shelfmark): IOR/L/E/9/1309-1370 Title: Collection 159 Telegraphy Scope & Content: Number IOR/L/E/9/1354 not used. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1911-1946 Extent: 62 files
590. IOR/L/E/9/1371-1372 Reference (shelfmark): IOR/L/E/9/1371-1372 Title: Collection 169 Veterinary Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927-1938 Extent: 2 files