CRITICISM OF BIBLICAL HUMANISTS IN QUATTROCENTO ITALY (2008)
John Monfasani
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In addition, Nicholas was the founder of the modern Vatican Library, which contained a rich collection of Greek bibles and Greek patristic commentaries,8 though the famous Codex Vaticanus of the Bible (Vat. Gr. 1209) seems to have entered the Vatican sometime between his pontificate and the inventory of 1481.9

9 Devreesse, Fonds grec. p. 73. suggests that no. 649 of the 1475 inventory might be the Codex Yaticanus, but, p. 82, first confidendy identifies the Vaticanus only in the 1481 inventor>; where it appears as no. 3.