Columbia subject headings:
Harvard subject headings:
Aeronautics--Early works to 1900
Biblioteca di S.M. il re (Turin, Italy). Manuscript. Varia 95.
Birds--Early works to 1800.
Flight--Early works to 1800.
Leonardo, da Vinci, 1452-1519. Codice sul volo degli uccelli.
Princeton subject headings:
Leonardo, da Vinci, 1452-1519.