1. IOR/V/23/118, Vol 3 Pt 13 Art 13 Reference (shelfmark): IOR/V/23/118, Vol 3 Pt 13 Art 13 Title: Floating bridges: comparative advantages of the bridge of boats at Delhi and of the pontoon bridge at Agra. Agra: Secundra Orphan Press, 1855 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1855 Extent: pp. 93-109, plan