221. IOR/V/27/422 Reference (shelfmark): IOR/V/27/422 Title: Natural and Physical Sciences: Cartography Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870-1931 Extent: 14 volumes
222. IOR/V/27/430 Reference (shelfmark): IOR/V/27/430 Title: Natural and Physical Sciences: Astronomy Collection Area: India Office Records and Private Papers Languages: English Date Range: 1835-1928 Extent: 12 volumes
223. IOR/V/27/440 Reference (shelfmark): IOR/V/27/440 Title: Natural and Physical Sciences: Meteorology Collection Area: India Office Records and Private Papers Languages: English Date Range: 1853-1940 Extent: 50 volumes
224. IOR/V/27/450 Reference (shelfmark): IOR/V/27/450 Title: Natural and Physical Sciences: Botany Collection Area: India Office Records and Private Papers Languages: English Date Range: 1836-1936 Extent: 86 volumes
225. IOR/V/27/460 Reference (shelfmark): IOR/V/27/460 Title: Natural and Physical Sciences: Zoology Collection Area: India Office Records and Private Papers Languages: English Date Range: 1855-1957 Extent: 19 volumes
226. IOR/V/27/610 Reference (shelfmark): IOR/V/27/610 Title: Products and Trade: Mineral Products Collection Area: India Office Records and Private Papers Languages: English Date Range: 1855-1954 Extent: 59 volumes
227. IOR/V/27/620 Reference (shelfmark): IOR/V/27/620 Title: Products and Trade: Vegetable Products Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871-1936 Extent: 14 volumes
228. 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
229. 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
230. IOR/V/27/723 Reference (shelfmark): IOR/V/27/723 Title: Railways: Equipment and Rolling Stock Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870-1952 Extent: 25 volumes