Dr. Ernst Roth's files, including: correspondence to or from the Royal Theatre, Stockholm (Kungliga Teatern), La Scala, Milan, and the Opera House, Zurich (Stadttheater).
Ernst Roth's files, including correspondence with the Allied Control Commission regarding the supply of scores and parts to Germany and Austria, and correspondence to or from the Agence de Location de Matériels d'Opérettes et Opéras.