Tertessian, Robert Hal The underside of Yerevan / Robert Hal Tertessian. - 1st ed. - [Mahopac, NY] : [S. n.], 2007. - 142 p. ; 23 cm + CD - 821.19-2 (NLA) . Subjects--Topical Terms: Armenian drama--20th century Universal Decimal Class. No.: 821.19-2 (NLA)