1. McGurk, op. cit. (ref. 1), esp. p. 200, labels these Aberystwyth maps “a trial run” and does not include them in his analysis. The Monza map is described in McGurk P. Catalogue of astrological and mythological illuminated manuscripts of the Latin Middle Ages, vi: Astrological manuscripts in Italian libraries (other than Rome) (London, 1966), 52.
2. A New View of Early Greek Astronomy
3. Hipparchus, In Arati et Eudoxi Phaenomena commentariorum libri tres, edited with German translation by Manitius Karl (Leipzig, 1894), i, 11.9–10. I am indebted to Alexander Jones for providing the English translation. A French translation is in Aratos, Phénomènes, ed. and French transl. by Martin Jean (Paris, 1998), 127–8.