21. IOR/L/PWD/3/532 Reference (shelfmark): IOR/L/PWD/3/532 Title: Collections to Public Works Despatches to Madras: Nos 7-29 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1865 Extent: 1 volume
22. IOR/L/PWD/3/534 Reference (shelfmark): IOR/L/PWD/3/534 Title: Collections to Public Works Despatches to Madras: Nos 1-18 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1867 Extent: 1 volume
23. IOR/L/PWD/3/535 Reference (shelfmark): IOR/L/PWD/3/535 Title: Collections to Public Works Despatches to Madras: Nos 19-46 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1867 Extent: 1 volume