1. Kepler J. Apologia pro Tychone contra Ursum, transl. in Jardine N. The birth of history and philosophy of science (Cambridge, 1984), 200–1.
2. Remarks on the Theoretical Treatment of Eclipses in Antiquity
3. Cf. Kroll W. Die Kosmologie des Plinius (Breslau, 1930), 16
4. Beaujeu J. (ed. and transl.), Pline l'Ancien: Histoire naturelle, livre II (Paris, 1950), 143, n. 4.
5. A History of Ancient Mathematical Astronomy