1. IOR/L/PS/20/B308 Reference (shelfmark): IOR/L/PS/20/B308 Title: Instructions governing the employment of armed forces in the maintenance of tribal control on the North West Frontier of India and in Baluchistan. 1940. [Includes: The grey book. Complete amendment list, 1946] Simla: Defence Dept, 1941 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1941 Extent: iv, 13pp