1. IOR/L/PWD/7/1878-1884 Reference (shelfmark): IOR/L/PWD/7/1878-1884 Title: Conventions, agreements etc Collection Area: India Office Records and Private Papers Languages: English Date Range: 1864-1916 Extent: 7 volumes
2. IOR/L/PWD/7/1885-1887 Reference (shelfmark): IOR/L/PWD/7/1885-1887 Title: Formation of Telegraph Companies Collection Area: India Office Records and Private Papers Languages: English Date Range: 1868-1871 Extent: 3 volumes
3. IOR/L/PWD/7/1888-1892 Reference (shelfmark): IOR/L/PWD/7/1888-1892 Title: Tariffs, rates, royalties Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871-1902 Extent: 5 volumes
4. IOR/L/PWD/7/1893-1895 Reference (shelfmark): IOR/L/PWD/7/1893-1895 Title: Indo-European Telegraph Department: general Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1914 Extent: 3 volumes
5. IOR/L/PWD/7/1896-1898 Reference (shelfmark): IOR/L/PWD/7/1896-1898 Title: Indo-European Telegraph Department: Establishment Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893-1920 Extent: 3 volumes
6. IOR/L/PWD/7/1899-1902 Reference (shelfmark): IOR/L/PWD/7/1899-1902 Title: General Collection Area: India Office Records and Private Papers Languages: English Date Range: 1915-1932 Extent: 4 volumes