Codex Boernerianus, designated by Gp or 012 (in the Gregory-Aland numbering), α 1028 (von Soden), is a small New Testament codex, measuring 25 x 18 cm, written in one column per page, 20 lines per page. Dated paleographically to the 9th century. The name of the codex derives from Boerner, to whom it once belonged. The manuscript is lacunose.
Read more about Codex Boernerianus: Description, Text, The Old Irish Poem in The Codex Boernerianus, History