SayiliAydin, The observatory in Islam and its place in the general history of the observatory (Ankara, 1960).
2.
Ibid., 189–223.
3.
Ibid., 190.
4.
Ibid., 211.
5.
VardjavandP., “La découverte archéologique du complexe scientifique de l'observatoire de Maraqé,” in DizerM. (ed), International Symposium on the Observatories in Islam, 19–23 September, 1977 (Istanbul, 1980), 143–63.
6.
Sayili, The observatory, 204; KennedyE. S., “A survey of Islamic astronomical tables”, Transactions of the American Philosophical Society, xlvi, part 2 (1956), p. 125, no. 6.
7.
Kennedy, Survey, p. 162, nos. 10, 20; Sayili, The observatory, 214.
8.
Sayili, The observatory, 204, 212, 214, 219, et passim.
9.
SalibaG., “An observational notebook of a thirteenth-century astronomer”, Isis, lxxiv (1983), 388–401.
10.
Kennedy, Survey, p. 137, no. 108.
11.
SalibaG., “The determination of new planetary parameters at the Maraghah observatory”, Colloque Mathematiques Mediterranéennes, Luminy, April 16–21, 1984 (to appear).
12.
NeugebauerO., “Thabit ben Qurra ‘On the Solar Year’ and ‘On the Motion of the Eighth Sphere”’, Proceedings of the American Philosophical Society, cvi, no. 3 (1962), 264–99, esp. p. 274f.
13.
NeugebauerO., The exact sciences in Antiquity (Providence, 1957), 209–14.
14.
An edition of this treatise and an English translation are currently being prepared by the present author for publication.
15.
SeemannH. J., “Die Instrumente der Sternwarte zu Maragha nach den Mitteilungen von al-Urdi”, Sitzungsberichte der Phys.-Med. Sozietät zu Erlangen, lx (1928), 15–126, esp. pp. 28–32.
