Lectionary 1623Lectionary 1623, designated by ℓ 1623 in the Gregory-Aland numbering, is a Greek minuscule manuscript of the New Testament, written on 312 parchment leaves. Paleographically it has been assigned to the 11th or 12th century.DescriptionThe codex contains Lessons from the Gospels. It is a lectionary. Written in two columns per page, 23-28 lines per page.HistoryCurrently it is housed at the Kenneth Willis Clark Collection of the Duke University at Durham.