Films for music education and opera films, an international selectiv e catalogue /    
with a general introd. by Egon Kraus, and an introd. t o opera films by Jack Bornoff. 
 - Paris :   Unesco ,   1962. 
 - 114p. ;    21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Music --Instruction and study -- Film catalogs.--Film catalogs.--Film catalogs.--Film catalogs.--Film catalogs.------<br/>Opera --Film catalogs.--Film catalogs.--Film catalogs.--Film catalogs.--Film catalogs.------