T. C. Skeat, Early Christian book-production, in: Peter R. Ackroyd & Geoffrey William Hugo Lampe (eds.) The Cambridge history of the Bible (Cambridge 1975), pp. 77–78.
It was estimated by Tischendorf and used by Scrivener in his Introduction to the Sinaitic Codex (1867) as an argument against authorship of Simonides (‘‘Christianity’’, p. 1889.)
Skeat, Theodore Cressy (2000). "The Last Chapter in the History of the Codex Sinaiticus". Novum Testamentum. XLII, 4 (4). Brill: 313–315. doi:10.1163/156853600506708. S2CID162368522.
Skeat, Theodore Cressy (2000). "The Last Chapter in the History of the Codex Sinaiticus". Novum Testamentum. XLII, 4 (4). Brill: 313–315. doi:10.1163/156853600506708. S2CID162368522.