Columbia subject headings:
Art, Italian--Italy--Romagna--16th century.
Borgia, Cesare, 1476?-1507.
Leonardo, da Vinci, 1452-1519.
Romagna (Italy)--History.
Harvard subject headings:
Architects and patrons--Italy--Romagna--History--16th century.
Borgia, Cesare, 1476?-1507
Codice L
January, Brendan, 1972- Da Vinci--Notebooks, sketchbooks, etc.
Leonardo, da Vinci, 1452-1519
Manuscripts, Italian--France--Paris.
Romagna (Italy)--History--16th century.
Princeton subject headings:
Art, Italian--Italy--Romagna--16th century.
Borgia, Cesare, 1476?-1507.
Leonardo, da Vinci, 1452-1519.
Romagna (Italy)--History.