69. JACOBITARUM PATRIARCHA, a Latin version of a letter of Joannes, patriarch of the Egyptian Jacobites, to Pope Eugenius (A. D. 1431 to 1447), in reply to a letter of the Pope to him, is given in the Concilia, vol. xiii. col. 1201, ed. Labbe; Cave, Hist. Litt. vol. ii., Appendix, p. 151.
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890