Columbia subject headings:
Astronomers--Germany--Biography.
Astronomy--History.
Kepler, Johannes, 1571-1630.
Müller, Philipp, 1585-1659.
Universität Leipzig--History.
Harvard subject headings:
Astronomy--History
Kepler, Johannes, 1571-1630.
Müller, Philipp, 1585-1659.
Princeton subject headings:
Astronomers--Germany--Biography.
Astronomy--History.
Kepler, Johannes, 1571-1630.
Müller, Philipp, 1585-1659.
Universität Leipzig--History.