Columbia subject headings:
Collegio romano--History.
Galilei, Galileo, 1564-1642.
Science--History--Sources.
Science--Philosophy--History--Sources.
Harvard subject headings:
Collegio romano--History.
Galilei, Galileo, 1564-1642
Science--History--Sources.
Science--Philosophy--History--Sources.
Princeton subject headings:
Collegio romano--History.
Galilei, Galileo, 1564-1642.
Science--History--Sources.
Science--Philosophy--History--Sources.