1. IOR/L/E/7/1539, File 2256 Reference (shelfmark): IOR/L/E/7/1539, File 2256 Title: File 2256 Imperial Agricultural Research Conference - Establishment of a Committee on Virus Diseases in Plants Collection Area: India Office Records and Private Papers Languages: English Date Range: 4 Apr 1928-25 Apr 1928 Extent: 1 file