Հովհաննիսյան, Հենրիկ Վահանի, 1936- The Origins of the Medieval Armenian Theatre / H. Hovhannisian; AS of ArmSSR, Institute of Arts. - Yerevan : S. n., 1978. - 14 p. ; 20 cm. - 792(47.925) (NLA) . Subjects--Topical Terms: Art, ArmenianTheater --Armenia Universal Decimal Class. No.: 792(47.925) (NLA)