1. Add MS 53139 O Reference (shelfmark): Add MS 53139 O Title: 'The Silver Cage', by John Plummer Scope & Content: 'The Silver Cage', by John Plummer. Play read 2 July 1874 for a licence to perform at the Opera Comique. 33 folios. Collection Area: Western Manuscripts Languages: English Date Range: 1874 Extent: 1 item