Columbia subject headings:
Bridges--Switzerland--Vaud--Design and construction.
Highway engineering--Switzerland--Vaud--History--19th century.
Highway engineers--Switzerland--Vaud--Biography.
Pichard, Adrien, 1790-1841.
Harvard subject headings:
Bridges--Switzerland--Vaud--Design and construction--History--19th century.
Civil engineers--Switzerland--Lausanne--Biography.
Pichard, Adrien, 1790-1841
Princeton subject headings:
Bridges--Switzerland--Vaud--Design and construction.
Highway engineering--Switzerland--Vaud--History--19th century.
Highway engineers--Switzerland--Switzerland--Vaud--Biography.
Pichard, Adrien, 1790-1841.