171. IOR/V/27/632 Reference (shelfmark): IOR/V/27/632 Title: Products and Trade: Silk Collection Area: India Office Records and Private Papers Languages: English Date Range: 1872-1924 Extent: 22 volumes
172. IOR/V/27/633 Reference (shelfmark): IOR/V/27/633 Title: Products and Trade: Wool Collection Area: India Office Records and Private Papers Languages: English Date Range: 1886-1919 Extent: 5 volumes
173. IOR/V/27/640 Reference (shelfmark): IOR/V/27/640 Title: Products and Trade: Chemicals and Engineering Collection Area: India Office Records and Private Papers Languages: English Date Range: 1897-1947 Extent: 59 volumes
174. IOR/V/27/641 Reference (shelfmark): IOR/V/27/641 Title: Products and Trade: Boilers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1902-1947 Extent: 38 volumes
175. IOR/V/27/650 Reference (shelfmark): IOR/V/27/650 Title: Protection and Tariffs Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924-1956 Extent: 110 volumes
176. IOR/V/27/660 Reference (shelfmark): IOR/V/27/660 Title: Trade Collection Area: India Office Records and Private Papers Languages: English Date Range: 1802-1957 Extent: 121 volumes
177. IOR/V/27/670 Reference (shelfmark): IOR/V/27/670 Title: Labour Collection Area: India Office Records and Private Papers Languages: English Date Range: 1875-1957 Extent: 90 volumes
178. IOR/V/27/700 Reference (shelfmark): IOR/V/27/700 Title: Public Works and Communications: General Collection Area: India Office Records and Private Papers Languages: English Date Range: 1843-1944 Extent: 19 volumes
179. IOR/V/27/701 Reference (shelfmark): IOR/V/27/701 Title: Public Works and Communications: Manuals Collection Area: India Office Records and Private Papers Languages: English Date Range: 1851-1955 Extent: 168 volumes
180. IOR/V/27/710 Reference (shelfmark): IOR/V/27/710 Title: Roads Collection Area: India Office Records and Private Papers Languages: English Date Range: 1845-1955 Extent: 123 volumes