Yerevan, Matenadaran Q1322278 Museum with ancient Armenian manuscripts, mostly Medieval. This museum was visited in 2018, 2019. 4 pictures related to this museum Armenian manuscript with Coptic Refutations of the Decisions of the Council of Chalcedon Twelfth-century manuscript of a seventh-century Armenian translation of Euclid's Elements Manuscript of the "History of the Armenians" by Moses of Chorene Coptic Annunciation: an angel with a herald's staff