"Bridges." . . . "The roads and railroads, vehicles, and modes of travelling, of ancient and modern countries with accounts of bridges, tunnels, and canals, in various parts of the world" . . . "The Roads and railroads, vehicles, and modes of travelling, of ancient and modern countries with accounts of bridges, tunnels, and canals, in various parts of the world"@en . "The Roads and railroads, vehicles, and modes of travelling, of ancient and modern countries with accounts of bridges, tunnels, and canals, in various parts of the world" . . . . . . . . . . "The roads and railroads, vehicles, and modes of travelling, of ancient and modern countries : with accounts of bridges, tunnels, and canals, in various parts of the world" . . . "The Roads and railroads, vehicles, and modes of travelling, of ancient and modern countries" . . "The roads and railroads"@en . . . "This lengthy work contains specific and background information on ancient Roman architecture and engineering pertaining to bridges and aqueducts."@en . . . . . . . . "The roads and railroads, vehicles, and modes of travelling, of ancient and modern countries with accounts of bridges, tunnels, and canals, in various parts of the world"@en . "Railroads." . . "Roads." . . "Vehicles." . . . .