1. IOR/V/27/760/26 Reference (shelfmark): IOR/V/27/760/26 Title: India. Posts and Telegraphs Department, Particulars of radio-telegraph stations in India and the Persian Gulf. 3rd edition, August 1923. Simla, 1923 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1923 Extent: 1 volume