Christoph Rothmann's Discourse on the comet of 1585Christoph Rothmann · First published 2014Open the Tome
Christoph Rothmanns Handbuch der Astronomie von 1589Christoph Rothmann · First published 2003Open the Tome
Willebrordi Snellii Descriptio cometæ, qui anno 1618 mense novembri primùm effulsitWillebrord Snellius, Christoph Rothmann · First published 1619Open the Tome
Cœli & siderum in eo errantium observationes HassiacæWillebrord Snellius, Wilhelm IV Landgrave of Hesse, Christoph Rothmann, Tycho Brahe, Joannes Regiomontanus, Bernhard Walther · First published 1618Open the Tome
