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2. Bayer, J. 1603, Uranometria, reprinted in 1987 (England: British Library)
3. al-Biruni 1030, Al-Qanun al-Mas`udi, vol. 3, reprinted in 1956 (Hyderabad: Dairatu'l-Ma`arif-il-`Osmania)
4. Brahe, T. 1573, De nova et nullius aevi memoria prius visa stella, facs.ed. in 1901 (Copenhagen)
5. Brahe, T. 1602, Astronomiae Instauratae Progymnasmata, reprinted in 1969 (Bruxelles: Impression Anastaltique)