[Footnote 110: See the Life of Nicholas V. by two contemporary authors, Janottus Manettus, (tom. iii. P. ii. p. 905 - 962,) and Vespasian of Florence, (tom. xxv. p. 267 - 290,) in the collection of Muratori; and consult Tiraboschi, (tom. vi. P. i. p. 46 - 52, 109,) and Hody in the articles of Theodore Gaza, George of Trebizond, &c.]