Columbia subject headings:
Harvard subject headings:
Fortification--Italy--Mondaino.
Leonardo, da Vinci, 1452-1519--Authorship.
Military architecture--Italy--Mondaino.
Mondaino (Italy)--Buildings, structures, etc.
Mondaino (Italy)--History--16th century.
Rocca Malatestiana (Mondaino, Italy)
Princeton subject headings:
Castles--Italy--Mondaino.
Fortification--Italy--Mondaino.
Leonardo, da Vinci, 1452-1519--Authorship.
Military architecture--Italy--Mondaino.
Modaino (Italy)--Buildings, structures, etc.
Mondaino (Italy)--History--16th century.
Rocca Malatestiana (Mondaino, Italy)