Columbia subject headings:
Harvard subject headings:
Codex Arundel--Congresses.
Leonardo, da Vinci, 1452-1519--Congresses.
Leonardo, da Vinci, 1452-1519. Codex Arundel--Congresses.
Mechanics--Early works to 1800--Congresses.
Science--Early works to 1800--Congresses.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Knowledge--Mechanical engineering--Congresses.
Leonardo, da Vinci, 1452-1519--Manuscripts--Congresses.
Leonardo, da Vinci, 1452-1519. Codex Arundel--Congresses.
Mechanical engineering--Early works to 1800--Congresses.