The Neoplatonist philosopher Porphyry of Tyre (c. 232–c. 304) authored the 15 volume treatise Against the Christians, proscribed by the Emperors Constantine and Theodosius II, of which only fragments now survive and were collected by Adolf von Harnack.
Another work of some importance, Anecdota Graeca (1781), from the Paris and Venice libraries, contains the Ionia (violet garden) of the empress Eudocia, and several fragments of the Neoplatonists Iamblichus and Porphyry, Procopius of Gaza, Choricius, and the Greek grammarians.
The Union was ratified at the Council of Florence in 1439 which John attended with 700 followers including Patriarch Joseph II of Constantinople and George Gemistos Plethon, a Neoplatonist philosopher influential among the academics of Italy.
They differ also from translations of the works of Aristotle by scholars such as Stuart Leggatt, W. K. C. Guthrie, J. L. Stocks, Thomas Taylor and Jules Barthélemy-Saint-Hilaire.