[Title not supplied] :

by Aristotle, Boethius, of Dacia, active 13th century, Campano, da Novara, -1296, Edward I, King of England, 1239-1307, Euclid, Farghānī, active 861, Joannes, Hispalensis, active 12th century, John, of Damascus, Saint, Julian, Emperor of Rome, 331-363, Kindī, -approximately 873, Leontius, Bishop of Neapolis, active 7th century, Thābit ibn Qurrah al-Ḥarrānī, -901, Gerald, of Frachet, Macrobius, Ambrosius Aurelius Theodosius, Majrīṭī, Maslamah ibn Aḥmad, -1004?, Pseudo-Aristotle