| Description | Letters, 1864-1886, to 'Debrett's Peerage' from persons included in it, including various aristocrats or their representatives, mainly addressed to the editor, Robert Henry Mair, and relating to corrections in entries, proofs, and orders for volumes. |
| AdminHistory | A peerage published from 1769 was taken over by John Debrett at its fifth edition by 1802, and 'Debrett's Illustrated Peerage and Baronetage' continues to be produced as a guide to the British aristocracy to the present day. |
| CustodialHistory | Part of the library of Charles Kay Ogden (1889-1957), linguistic psychologist, founder of the Orthological Institute and originator of the language system Basic English, whose interests in language systems are reflected in the subject matter of his collection, which comprised individual manuscripts and manuscript collections dating from the 14th to the 20th century. |