Geanakoplos, Deno John (1989). Constantinople and the West: essays on the late Byzantine (Palaeologan) and Italian Renaissances and the Byzantine and Roman churches. Univ of Wisconsin Press. p. 87. ISBN0-299-11884-3. «In the service of these persons he (Theodore Gaza) continued his work of copying Greek manuscripts in his elegant hand and especially under the aegis of Sixtus IV, again took up the task of translating Aristotle’s works into Latin. It is reported that on one occasion, when Sixtus paid him a number of gold pieces (not so much, it seems, for his elegantly rendered Latin version of Aristotle’s De animalibus as for the cost of the expensive gold binding of the manuscript), Gaza angrily cast the money into the Tiber river..»
Beullens, Pieter ; Gotthelf, Allan. «Theodore Gaza's Translation of Aristotle's De Animalibus.». www.duke.edu. Archivado desde el original el 14 de junio de 2010. Consultado el 23 de noviembre de 2009. «However, it adds a dedicatory letter to Matthäus Lang, a councillor of Emperor Maximilian, and a long quotation from the preface by Ermolao Barbaro to his translation of Themistius’ paraphrasis of Aristotle’s Posterior Analytics, written in 1480 and dedicated to none other than Sixtus IV, in which he includes an elaborate appraisal of Gaza’s translating abilities: Not long ago, Your Holiness, we suffered a great and incomparable loss in the person of Theodore Gaza. That Greek man outdid all Latins in the task of writing and translating. If he had lived longer, he would have enriched the Latin language in this field as well. He did that indeed in those most perfect books of Aristotle’s On Animals and Theophrastus’ On Plants. In my view, he is the only one to challenge antiquity itself. I have set myself to honour and imitate this man. I admit and I confess that I was helped by his writings. I read him with no less curiosity than I read M. Tullius, Pliny, Columella, Varro, Seneca, Apuleius, and the others that one needs to examine in this kind of study.»
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Beullens, Pieter ; Gotthelf, Allan. «Theodore Gaza's Translation of Aristotle's De Animalibus.». www.duke.edu. Archivado desde el original el 14 de junio de 2010. Consultado el 23 de noviembre de 2009. «However, it adds a dedicatory letter to Matthäus Lang, a councillor of Emperor Maximilian, and a long quotation from the preface by Ermolao Barbaro to his translation of Themistius’ paraphrasis of Aristotle’s Posterior Analytics, written in 1480 and dedicated to none other than Sixtus IV, in which he includes an elaborate appraisal of Gaza’s translating abilities: Not long ago, Your Holiness, we suffered a great and incomparable loss in the person of Theodore Gaza. That Greek man outdid all Latins in the task of writing and translating. If he had lived longer, he would have enriched the Latin language in this field as well. He did that indeed in those most perfect books of Aristotle’s On Animals and Theophrastus’ On Plants. In my view, he is the only one to challenge antiquity itself. I have set myself to honour and imitate this man. I admit and I confess that I was helped by his writings. I read him with no less curiosity than I read M. Tullius, Pliny, Columella, Varro, Seneca, Apuleius, and the others that one needs to examine in this kind of study.»
Dalzel, Andrew (1821). Substance of Lectures on the Ancient Greeks, and on the Revival of Greek Learning in Europe. A. Constable & Co. p. 400. OCLC10091987. «Theodore Gaza, a youth of an illustrious family of Thessalonica, arrived in that country.»
Barnhart, Clarence Lewis (1954). The New Century cyclopedia of names, Volume 2. Appleton-Century-Crofts. p. 1704. OCLC123650044. «Teodoro Gaza; English, Theodore Gaza; Greek, Theodoros Gazes.] b. at Salonika, in Macedonia, c1400; d. in Italy, 1478. Greek scholar, resident in Italy after the capture of his native town by the Turks, and a professor of Greek at Ferrara (1447-50).»