Carlton Joseph Huntley Hayes,
1911 Encyclopædia Britannica, Volume 19…
(1911)
“ In March 1452 he crowned Frederick III. as emperor in St Peter’s, the last occasion of the coronation of an emperor at Rome. Under the generous patronage of Nicholas humanism made rapid strides. He employed hundreds of copyists and scholars, giving as much as ten thousand gulden for a metrical translation of Homer, and founded a library of nine thousand volumes. Nicholas himself was a man of vast erudition, and his friend Aeneas Silvius (later Pope Pius II.) said of him that “what he does not know is outside the range of human knowledge.” ”
