Columbia subject headings:
Architecture.
Engineering.
Leonardo, da Vinci, 1452-1519--Exhibitions.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Knowledge--Mechanical Engineering.
Mechanical engineering--Early works to 1800
Mechanical engineering--Early works to 1800--Exhibitions.
Museo nazionale della scienza e della tecnica "Leonardo da Vinci"--Catalogs.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Knowledge--Mechanical engineering.
Mechanical engineering--Early works to 1800.
Museo nazionale della scienza e della tecnica "Leonardo da Vinci"--Catalogs.