Columbia subject headings:
Harvard subject headings:
Alchemy--Italy--History--17th century.
Christina, Queen of Sweden, 1626-1689--Homes and haunts--Italy--Rome.
Christina, Queen of Sweden, 1626-1689.
Italy--Intellectual life--1559-1789.
Rome (Italy)--Intellectual life--17th century.
Science--Italy--History--17th century.
Princeton subject headings:
Christina, Queen of Sweden, 1626-1689--Homes and haunts--Italy--Rome.
Christina, Queen of Sweden, 1626-1689.
Rome (Italy)--Intellectual life.