11. IOR/L/PWD/2/231 Reference (shelfmark): IOR/L/PWD/2/231 Title: Civil Engineers Home Correspondence Collection Area: India Office Records and Private Papers Languages: English Date Range: 1877 Extent: 1 volume
12. IOR/L/PWD/2/232 Reference (shelfmark): IOR/L/PWD/2/232 Title: Civil Engineers Home Correspondence Collection Area: India Office Records and Private Papers Languages: English Date Range: 1878 Extent: 1 volume
13. IOR/L/PWD/2/233 Reference (shelfmark): IOR/L/PWD/2/233 Title: Civil Engineers Home Correspondence Collection Area: India Office Records and Private Papers Languages: English Date Range: 1879 Extent: 1 volume