Columbia subject headings:
Communication in engineering.
Engineering--Language.
Lectures.
Leonardo, da Vinci, 1452-1519--Knowledge and learning.
Leonardo, da Vinci, 1452-1519--Language.
Martini, Francesco di Giorgio, 1439-1502--Knowledge and learning.
Martini, Francesco di Giorgio, 1439-1502--Language.
Mechanical engineering.
Harvard subject headings:
Leonardo, da Vinci, 1452-1519--Knowledge--Mechanical engineering.
Leonardo, da Vinci, 1452-1519--Language.
Martini, Francesco di Giorgio, 1439-1502--Knowledge--Mechanical engineering.
Martini, Francesco di Giorgio, 1439-1502--Language.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519--Knowledge--Mechanical engineering.
Leonardo, da Vinci, 1452-1519--Language.
Martini, Francesco di Giorgio, 1439-1502--Knowledge--Mechanical engineering.
Martini, Francesco di Giorgio, 1439-1502--Language.