1. IOR/L/PS/20/9 Reference (shelfmark): IOR/L/PS/20/9 Title: Notes on Tonkin. By Maj E G Barrow, Indian Staff Corps Simla: [Intelligence Branch, Quarter Master General's Dept], 1894 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1894 Extent: v, 21pp 5 maps (in pocket) plate