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