1. Mss Eur F161/182 Reference (shelfmark): Mss Eur F161/182 Title: Scope & Content: Papers, compiled in 1960s, relating to systems and methods of police surveillance, dated 1861, 1905, and 1920-34 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1861-1934 Extent: Unspecified