1. Add MS 53032 K Reference (shelfmark): Add MS 53032 K Title: 'Helen Porter, a secret of the sewers of London', by F. Marchant. Scope & Content: Drama in two acts. Licence sent 14 May 1864 for performance at the City of London. Nicoll lists the play as author unknown. Collection Area: Western Manuscripts Languages: English Date Range: May 1864 Extent: 30 folios