Columbia subject headings:
Landscapes in art.
Leonardo, da Vinci, 1452-1519. Mona Lisa.
Painting--Reproduction.
Pontine Marshes (Italy)--In art.
Harvard subject headings:
Landscapes in art
Leonardo, da Vinci, 1452-1519. Mona Lisa.
Painting--Reproduction
Pontine Marshes (Italy)--In art.
Princeton subject headings:
Landscapes in art.
Leonardo, da Vinci, 1452-1519. Mona Lisa.
Painting--Reproduction.
Pontine Marshes (Italy)--In art.