The Scholarly Tradition Collection Metadata Collection: The Scholarly Tradition Sort by: Title Creator Date Added Tahrir al-Majisti 13 Dhu’l Qa‘da 813 AH (9 March 1411 AD) Astronomical Anthology (Almagest, etc.) Circa 1361 Almagest 783 AH (1381 AD) De philosophia mundi, Expositio Hugonis de Evangeliis Circa 1150 Algorismus, Tractatus de sphaera Circa 1225-1275 Tractatus de sphaera, Algorismus, Computus lunaris Circa 1256-1270 Tractatus de sphaera, Ruaḥ Ḥen Circa 1425-1450 Theorica planetarum, Tractatus de sphaera, and other texts 1481 Alfonsine Tables 1401-4 Sharḥ al-mulakhkhaṣ fī al-hayʼah End of Ramadan 830 AH (25 July 1427 AD) Calendarium and Ephemerides 1500 Illustrations to the Theoricae novae planetarum 1525-1575