1. RP 2570/1 Reference (shelfmark): RP 2570/1 Title: Scope & Content: PEMBROKE, Mary Herbert, Countess of. Autograph Letter Signed to the Earl of Essex on behalf of her husband and countersigned by him Creation dates: 1590s Collection Area: Western Manuscripts Languages: English Date Range: [1979-1985] Extent: 2 photocopies