Columbia subject headings:
Harvard subject headings:
Architects--France--Biography
City planners--France--Biography.
Engineers--France--Biography
Haussmann, Georges Eugène, baron, 1809-1891
Lesseps, Ferdinand de, 1805-1894.
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879
Princeton subject headings:
Architects--France--Biography.
City planners--France--Biography.
Engineers--France--Biography.
Haussmann, Georges Eugène, baron, 1809-1891.
Lesseps, Ferdinand de, 1805-1894.
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879.