1. IOR/R/20/B/520 Reference (shelfmark): IOR/R/20/B/520 Title: File 40/2 of 1940 Accounts: patents, designs, copyright, and trademarks (emergency) Act, 1939, and rules made thereunder Collection Area: India Office Records and Private Papers Languages: English Date Range: 30 Dec 1939-16 Nov 1941 Extent: 1 file