mss written on parchment in the middle of the fourth century and now held in the British library believed to have been transcribed by three scribes in Caesarea discovered by Constantinvon Tischendorf at the monastery of St. Catherine at Mt. Sinai in 1844 and 1859 Includes the Septuagint (the Jewish translation of the Old Testament into Greek) and the New Testament in koine also includes 2 Esdras, Tobit, Judith, 1 & 4 Maccabees, Wisdom, Sirach, the Epistle of Barnabas, and 'The Shepherd' of Hermas

The Vatican digitized version of opens new windowVaticanus
a fourth-century, largely majuscule mss with the section after Hebrews 9:13 written in miniscule
originally contained the entire Bible in Greek
missing most of Genesis, several psalms (106/107-138/139), the end of Hebrews beginning with 9.14, the pastoral epistles, Philemon, and the book of Revelation.

located the British Museum, Royal MS 1 D V–VIII; siglum A or 02
an early fifth-century ss. originally containing the entire Bible
missing Matthew 1:1–25:6, John 6.50–8.22 and 2 Corinthians 4.13–12.6.
another opens new windowAlexandrinus site

most are located in the Bodmer Library in Cologny, Switzerland
collection includes a copy of the Gospel of John dated from the late second or very early third century

located in Dublin, Ireland