Lectionary 138, designated by siglum ℓ 138 (in the Gregory-Aland numbering) is a Greek manuscript of the New Testament, on paper leaves.
[1] The codex contains lessons from the Gospels of John, Matthew, Luke lectionary (Evangelistarium), on 255 paper leaves (26.9 cm by 20.5 cm).
[1][2] The manuscript once belonged to Christopher Palaeologus, who presented it on May 7, 1584, to the church of SS.
[2] The manuscript is not cited in the critical editions of the Greek New Testament (UBS3).
[5] Currently the codex is located in the Biblioteca Nazionale Vittorio Emanuele III (Ms. II.