Թահմիզյան, Նիկողոս Կիրակոսի, 1926- Position and signification of music in the system of professional arts in Medieval Armenia (V-XV centuries) / Nicoghos Tahmizyan. - Yerevan : Academy of Sciences of Armenian SSR Institute of Arts, 1978. - 10 p. ; 20 cm. - 75(479.25) (NLA) . Subjects--Topical Terms: Art, Armenian Universal Decimal Class. No.: 75(479.25) (NLA)