Items related to musical theatre collected by scholar and musician Alan Poulton. Includes programmes, books, research and other items relating to the work of Stephen Sondheim, and other items relating more widely to the world of musical theatre including journals, books and recordings.

Records of Stephen Green Limited, patent medicine manufacturer, 1780-1930. The records relate to proprietorship of the recipe for "Doctor Johnson's Golden Ointment" including legal documents and legal case papers; and records relating to the manufacture and sale of the ointment including financial accounts, order books, correspondence, sales summaries, testimonials, advertising, legislation involving patent medicines and history of the ointment. Also various family and estate records.