1. IOR/L/PJ/6/1630, File 6478 Reference (shelfmark): IOR/L/PJ/6/1630, File 6478 Title: Mr J C Cuzen, Intelligence Branch, CID, Bengal: proposed study, during leave, of card indexing and filing systems at Scotland Yard Collection Area: India Office Records and Private Papers Languages: English Date Range: Sep 1919-Nov 1919 Extent: 1 file