11. IOR/V/23/7, No 44 Reference (shelfmark): IOR/V/23/7, No 44 Title: Papers referring to the effects of lightning on buildings situated on elevated sites [1859-64]. Calcutta: Public Works Department Press, 1864 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1864 Extent: ii, 53p
12. IOR/V/23/7, No 45 Reference (shelfmark): IOR/V/23/7, No 45 Title: Memorandum on the River Hooghly together with a report on some operations for its improvement carried on during 1862-63. Calcutta: Public Works Department Press, 1864 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1864 Extent: 44, 24p, diagrams, plans