De cometis libelli tres : I. Astronomicvs, theoremata continens de motu cometarum ubi demonstratio apparentiarum & altitudinis cometarum qui annis 1607. & 1618. conspecti sunt, ... : II. Physicvs, continens physiologiam comentarum nouam ... : III. AstroloKepler, Johannes, 1571-16301619, [i.e. 1620]mixed material