Codex Ambrosianus A contains parts of the Epistles and the Gothic Calendar. It consists of 204 pages, of which 190 are legible, 2 are illegible and 12 are empty.
Codex Ambrosianus B contains parts of the Epistles, and consists of 156 pages, of which two are empty. The Codex Ambrosianus B.21 is written in Syriac language and script.[2] It is the basis of the Leiden Peshitta critical edition of the Peshitta Old Testament (Leiden siglum 7a1). Nominally dated to the 7th century, the consensus is that it is not older than the 6th century. It contains Apocrypha, 4 Ezra, 2 Baruch, 3 and 4 Maccabees, and a part of Josephus on the Maccabees.
Codex Ambrosianus C consists of two leaves and contains fragments of chapters 25 to 27 of the Gospel of Matthew.
^Antonio Maria Ceriani, Translatio syra pescitto Veteris Testamenti: ex codice Ambrosiano sec. fere VI, photolithographice edita, curante et adnotante (Milan, 1876).