1. Mss Eur G37/71/1 f.73 Reference (shelfmark): Mss Eur G37/71/1 f.73 Title: Letter to Edward, 1st Earl of Powis from John Frost, Director. Scope & Content: Dated at 32 Sackville Street, Piccadilly, requesting a subscription towards the expenses of the Library of the Medico-Botanical Society of London. Collection Area: India Office Records and Private Papers Languages: English Date Range: 25 Jun 1829 Extent: 1 folio