51. IOR/L/PWD/8/4-6 Reference (shelfmark): IOR/L/PWD/8/4-6 Title: Telegraph Department Appointments Collection Area: India Office Records and Private Papers Languages: English Date Range: 1863-1870 Extent: 3 volumes
52. IOR/L/PWD/8/41-403 Reference (shelfmark): IOR/L/PWD/8/41-403 Title: College Correspondence Files Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871-1907 Extent: 363 volumes
53. 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
54. 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
55. IOR/L/PWD/5/37 Reference (shelfmark): IOR/L/PWD/5/37 Title: Indian Railway Debentures Scope & Content: Ledger listing debentures maturing in the years 1908/09 to 1938/39 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1908-1939 Extent: 1 volume
56. IOR/L/PWD/2/43-63 Reference (shelfmark): IOR/L/PWD/2/43-63 Title: Railway Home Correspondence - A. Original Letters Received Collection Area: India Office Records and Private Papers Languages: English Date Range: 1845-1858 Extent: 21 volumes
57. IOR/L/PWD/3/295-313 Reference (shelfmark): IOR/L/PWD/3/295-313 Title: Public Works Despatches to India (Original Drafts) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1855-1879 Extent: 19 volumes
58. IOR/L/PWD/3/412-418 Reference (shelfmark): IOR/L/PWD/3/412-418 Title: Railway Despatches to Bengal and India (Copies) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1849-1879 Extent: 7 volumes
59. IOR/L/PWD/3/506-515 Reference (shelfmark): IOR/L/PWD/3/506-515 Title: Public Works Despatches to Madras (Original Drafts) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1855-1879 Extent: 10 volumes
60. IOR/L/PWD/3/551-558 Reference (shelfmark): IOR/L/PWD/3/551-558 Title: Public Works Despatches to Bombay (Original Drafts) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1855-1879 Extent: 8 volumes