Astronomy. 5912.5 **5082.35 Kepler, or Keppler, Johann. Opera omnia... (continued 6) De nive sexangula; Excerpta de MSS. Pulkovensibus; Versio libri Aristotelis de mundo, cap. 13; In libellum Sleidani De quatuor monarchis; De origine gentium ex Mose; De septuaginta hebdomadibus in Deniele, VIII, 1. Bericht von den Finsternissen, 1620, 21; De astronomia lunari; Plutarchi libellus de facie (continued)