1. MS Mus. 1813/2/1/115-117 Reference (shelfmark): MS Mus. 1813/2/1/115-117 Title: Opera and Ballet Societies, correspondence Scope & Content: Dr. Roth's files: Correspondence involving or relating to various opera and ballet societies in Britain and abroad. Collection Area: Music Collections Languages: Croatian, English, French, German, Spanish, and Turkish Date Range: 1954-1960 Extent: 3 boxes