1. IOR/L/MIL/17/13/41 Reference (shelfmark): IOR/L/MIL/17/13/41 Title: Instructions regarding the control of operations including the employment of air forces on the North-West Frontier of India. Simla: Army Dept, 1931. Scope & Content: Confidential Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931 Extent: 4p, 33cm