1. Add MS 89231/6/72 Reference (shelfmark): Add MS 89231/6/72 Title: D'Oyly Carte Opera Company: Artiste Files: Masterson, Valerie Scope & Content: Correspondence with and about the Artiste listed: Valerie Masterson. Please also see correspondence with Music International. Collection Area: Western Manuscripts Languages: English Date Range: 1962-1990 Extent: 1 File