1. IOR/L/PWD/7/1893 Reference (shelfmark): IOR/L/PWD/7/1893 Title: Copies of Appendices AA-AC, B (parts only), and G-I of Col Mallock's Report on the Indo-European Telegraph Department Collection Area: India Office Records and Private Papers Languages: English Date Range: 14 Nov 1889 Extent: 1 volume
2. IOR/L/PWD/7/1894 Reference (shelfmark): IOR/L/PWD/7/1894 Title: Report by the Director in Chief, Indo-European Telegraph Department, for the information of the Inter-Departmental Cables Committee Collection Area: India Office Records and Private Papers Languages: English Date Range: 1901 Extent: 1 volume
3. IOR/L/PWD/7/1895 Reference (shelfmark): IOR/L/PWD/7/1895 Title: Memorandum on the Indo-European Telegraph Department, and Narrative of Events to October 1914 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1914 Extent: 1 volume