Charles Raymond Beazley,
1911 Encyclopædia Britannica, Volume 11…
(1911)
“ His most celebrated work is the Latin version by which alone Ptolemy’s Almagest was known to Europe until the discovery of the original Μεγάλη Σύνταξις. In addition to this, he translated various other treatises, to the number, it is said, of sixty-six; among these were the Tables of “Arzakhel,” or Al Zarkala of Toledo, Al Farabi On the Sciences (De scientiis) , Euclid’s Geometry, Al Farghani’s Elements of Astronomy, and treatises on algebra, arithmetic and astrology. In the last-named latitudes are reckoned from Cremona and Toledo. ”
