21. IOR/L/PWD/3/144 Reference (shelfmark): IOR/L/PWD/3/144 Title: Railway and Telegraph Letters from Bengal and India Scope & Content: With index Collection Area: India Office Records and Private Papers Languages: English Date Range: 1878 Extent: 1 volume
22. IOR/L/PWD/3/145 Reference (shelfmark): IOR/L/PWD/3/145 Title: Railway and Telegraph Letters from Bengal and India Scope & Content: With index Collection Area: India Office Records and Private Papers Languages: English Date Range: 1879 Extent: 1 volume