1. RP 3874 Reference (shelfmark): RP 3874 Title: Scope & Content: Various copy manuscripts Creation dates: Unspecified Collection Area: Western Manuscripts Languages: Undetermined Date Range: 21 Jul 1988 Extent: 2 microfilms and 18 photocopies
2. RP 3874/2 Reference (shelfmark): RP 3874/2 Title: Scope & Content: THE BENCKENDORFF ARCHIVE. Catalogue showing copied material held by the Manuscripts Department of the British Library Creation dates: Unspecified Collection Area: Western Manuscripts Languages: English Date Range: 21 Jul 1988 Extent: 18 photocopies
3. RP 3874/1 Reference (shelfmark): RP 3874/1 Title: Scope & Content: BENCKENDORFF. The Benckendorff Archive comprising part of the family correspondence and personal papers by or pertaining to the late Count Alexander Benckendorff (1849-1917) Creation dates: 19th - 20th centuries Collection Area: Western Manuscripts Languages: Undetermined Date Range: 21 Jul 1988 Extent: 2 microfilms