Columbia subject headings:
Astronomers--Italy--Correspondence.
Astronomy--Italy--History--Sources.
Galilei, Galileo, 1564-1642.
Manuscripts, Italian.
Physicists--Italy--Correspondence.
Harvard subject headings:
Science--Early works to 1800
Scientists--Italy--Correspondence.
Torricelli, Evangelista, 1608-1647--Correspondence.
Princeton subject headings:
Science--Early works to 1800.