511. IOR/L/PWD/7/559 Reference (shelfmark): IOR/L/PWD/7/559 Title: File G.3 Letters, etc, from the Controller of Telegraph Accounts Collection Area: India Office Records and Private Papers Languages: English Date Range: 1887-1888 Extent: 1 volume
512. IOR/L/PWD/7/10 Reference (shelfmark): IOR/L/PWD/7/10 Title: A.4 General Telegraph: (Introduction of 10 word messages with single word increment) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1873 Extent: 1 volume
513. IOR/L/PWD/7/11 Reference (shelfmark): IOR/L/PWD/7/11 Title: A.4 General Telegraph: (Introduction of 10 word messages with single word increment) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1874 Extent: 1 volume
514. IOR/L/PWD/7/227 Reference (shelfmark): IOR/L/PWD/7/227 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1866-1867 Extent: 1 volume
515. IOR/L/PWD/7/228 Reference (shelfmark): IOR/L/PWD/7/228 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1869 Extent: 1 volume
516. IOR/L/PWD/7/229 Reference (shelfmark): IOR/L/PWD/7/229 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870 Extent: 1 volume
517. IOR/L/PWD/7/230 Reference (shelfmark): IOR/L/PWD/7/230 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871 Extent: 1 volume
518. IOR/L/PWD/7/231 Reference (shelfmark): IOR/L/PWD/7/231 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1872 Extent: 1 volume
519. IOR/L/PWD/7/232 Reference (shelfmark): IOR/L/PWD/7/232 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1873 Extent: 1 volume
520. IOR/L/PWD/7/233 Reference (shelfmark): IOR/L/PWD/7/233 Title: D.3 Persian Gulf, Submarine and Mekran Lines: Periodical and Special Returns Collection Area: India Office Records and Private Papers Languages: English Date Range: 1874 Extent: 1 volume