Columbia subject headings:
Astrology, European--Early works to 1800.
Astronomy--Early works to 1800.
Kepler, Johannes, 1571-1630--Bibliography.
Kepler, Johannes, 1571-1630--Correspondence.
Kepler, Johannes, 1571-1630--Manuscripts.
Harvard subject headings:
Astrology, European--Early works to 1800.
Astronomy--Early works to 1800
Kepler, Johannes, 1571-1630--Bibliography.
Kepler, Johannes, 1571-1630--Correspondence.
Kepler, Johannes, 1571-1630--Manuscripts.
Princeton subject headings:
Astronomy--Early works to 1800.
Astronomy.