Kitāb Theodosius fil ayyām wa al-layāli
Language: ara
Number of pages: 19
Subjects: Astronomy; Early works to 1800
Other titles: On astronomy
Notes: Arabic ms. copied in the 13th century in Turkey.

Microfilm. New York, N.Y. : Columbia University Libraries, 1982. 1 microfilm reel. No. 7 on a reel of 14 titles. Master negative: 3331-7.