- CollectionCamb. Medieval History - Papers relating to the Cambridge Medieval History Series
- SeriesBox 1-2 - Letters to and from contributing historians to Cambridge Medieval History
- SubseriesBox 1 - Letters relating to historians A-L
- File38 - Letters from C. L. Kingsford
- Item1 - Autograph letter, signed, to 'Dear Sir', from C. L. Kingsford, London
- Item2 - Autograph letter, signed, to Dr Tanner from C. L. Kingsford, London
- Item3 - Autograph letter, signed, to Dr Tanner from C. L. Kingsford, London
- Item4 - Autograph letter, signed, to Dr Tanner from C. L. Kingsford, London
- Item5 - Autograph letter, signed, to Dr Tanner from C. L. Kingsford, London
- Item6 - Autograph letter, signed, to Dr Tanner from R. J. L. Kingsford, Cambridge