Columbia subject headings:
Astronomers--Italy--Bologna--Biography.
Astronomy--Italy--Bologna--History.
Astrophysicists--Italy--Bologna--Biography.
Harvard subject headings:
Astrologers--Italy--Biography.
Astrology--Study and teaching--Italy--Bologna--History.
Astronomers--Italy--Biography
Astronomers--Italy--Bologna--Biography.
Astronomy--Italy--Bologna--History.
Astronomy--Study and teaching--Italy--Bologna--History.
Astrophysicists--Italy--Bologna--Biography.
Università di Bologna--History.
Princeton subject headings:
Astronomers--Italy--Bologna--Biography.
Astronomy--Italy--Bologna--History.
Astrophysicists--Italy--Bologna--Biography.