Project / Collection
- India Office Records318,891
- Additional Manuscripts114,791
- India Office Private Papers46,687
- Additional Charters and Rolls22,558
- Surrogates11,454
- Egerton Charters and Rolls8,362
- Detached Seals and Casts5,432
- Royal Literary Fund3,771
- Sloane Collection3,685
- Music Manuscripts3,454
- Universal Postal Union Collection2,912
- Ashley Manuscripts1,937
- Royal Collection1,697
- Stowe Collection1,601
- Egerton Manuscripts1,521
- Tapling Collection1,357
- Harley Collection1,343
- Lansdowne Collection1,244
- Royal Music Library Manuscripts914
- Philatelic Collections, Journals845