1. IOR/V/25/500/158 Reference (shelfmark): IOR/V/25/500/158 Title: Imperial Council of Agricultural Research Miscellaneous Bulletin, No 31 Investigation on methods of preparation and standardization of tomato ketchup. L Singh & G Lal. 1940 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1940 Extent: 1 volume