Coba jelasin Lihat pula dari Codex Zacynthius dong

W. H. P. Menetas, A Redating of Two Important Uncial Manuscripts of the Gospels – Codex Zacynthius and Codex Cyprius, di Lake F/S, pp. 333–338.

D. C. Parker & J. Neville Birdsall, The date of Codex Zacynthius (Ξ): A new proposal, JTS (2004) 55 (1): 117-131.