Columbia subject headings:
Harvard subject headings:
Astronomical instruments--Italy--Brera--Catalogs.
Astronomy--Italy--Brera--History.
Osservatorio meteorologico di Brera--Equipment and supplies--Catalogs.
Princeton subject headings:
Astronomical instruments--Italy--Milan--History.
Astronomical instruments--Pictorial works.
Astronomical observatories--Italy--Milan--History.
Astronomy in art.
Astronomy--Italy--Milan--History.
Osservatorio astronomico di Brera--History.
Osservatorio astronomico di Brera--Instruments--History.
Osservatorio astronomico di Brera--Instruments--Pictorial works.