1. Add MS 53097 L Reference (shelfmark): Add MS 53097 L Title: 'If Not I know It', by J.M.Morton and A.W.Young Scope & Content: 'If Not I know It', by J.M.Morton and A.W.Young. Licence sent 7 June 1871 for performance at the haymarket Theatre, London. i + 46 folios. Collection Area: Western Manuscripts Languages: English Date Range: 1871 Extent: 1 item