*{{Harvard reference|Title=The Harper History of Painting: The Occidental Tradition|Last=Robb|Given=David|url=|Year=1951|Publisher=Harper & Brothers|Place=[[Nova York]]|chapter=|language=anglés|volume=|ID=517655}} | *{{Harvard reference|Title=The Harper History of Painting: The Occidental Tradition|Last=Robb|Given=David|url=|Year=1951|Publisher=Harper & Brothers|Place=[[Nova York]]|chapter=|language=anglés|volume=|ID=517655}} |