Columbia subject headings:
Astronomers--Italy--Biography.
Galilei, Galileo, 1564-1642--Correspondence.
Galilei, Maria Celeste, 1600-1634--Correspondence.
Harvard subject headings:
Astronomers--Italy--Biography
Galilei, Galileo, 1564-1642. Correspondence.
Galilei, Maria Celeste, 1600-1634--Correspondence.
Princeton subject headings: