1. IOR/V/25/600/105 Reference (shelfmark): IOR/V/25/600/105 Title: Bengal Industries Department Bulletin, No 52 Manufacture of grained soap on a large scale with the help of steam and mechanical appliances. R L Datta & T Basu. 1932 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1932 Extent: 1 volume