1. Add MS 53101 I Reference (shelfmark): Add MS 53101 I Title: 'On Guard', by William Schwenk Gilbert Scope & Content: 'On Guard', by William Schwenk Gilbert. Licence sent 21 October 1871 for performance at the Court Theatre. 95 folios. Collection Area: Western Manuscripts Languages: English Date Range: 1871 Extent: 1 item