1. IOR/L/PS/12/2770 Reference (shelfmark): IOR/L/PS/12/2770 Title: Coll 16/2(S) Indianisation and employment of Indians: introduction of Indians into the Cypher Bureau of the GOI; question of access to FO cyphers Collection Area: India Office Records and Private Papers Languages: English Date Range: 3 Jan 1923-16 Apr 1943 Extent: 1 file