Benjamin and Toomer [1]. BenjaminFrancis S.Jr, and ToomerG. J., Campanus of Novara and medieval planetary theory (Madison, 1971).
3.
Goldstein [1]. GoldsteinB. R., “On the Theory of Trepidation”, Centaurus, x (1964), 232–47.
4.
Goldstein [2]. GoldsteinB. R., The Astronomical Tables of Levi ben Gerson, in Transactions of the Connecticut Academy of Arts and Sciences, xlv (1974).
5.
Goldstein [3]. GoldsteinB. R., Al-Bi<gap>t</gap>rūjī: On the principles of astronomy (2 vols., New Haven, 1971).
6.
Manitius. See Almagest.
7.
Moesgaard [1]. MoesgaardK. P., “The 1717 Egyptian Years and the Copernian Theory of Precession”, Centaurus, xiii (1968), 120–38.
8.
Nallino [1]. NallinoC. A., Al-Battānī sive Albatenii Opus astronomicum (2 vols, Milan, 1903–1907; reprinted Frankfurt, 1969).
9.
Neugebauer [1]. NeugebauerO., “Thābit Ben Qurra ‘On the Solar Year’ and ‘On the Motion of the Eighth Sphere’”, Proceedings of the American Philosophical Society, cvi (1962), 264–99.
10.
Price [1]. PriceD. J., “A Medieval Footnote to Ptolemaic Precession”, Vistas in astronomy, i (1955), 66.
11.
Ricius [1]. RiciusA., De motu octauae Sphaerae (Paris, 1521).
12.
Toomer [1]. ToomerG. J., “A Survey of the Toledan Tables”, Osiris, xv (1968), 5–174.