- 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 2 - Letters relating to historians M-W
- File68 - Letters to and from G. R. Potter
- Item1 - Autograph letter, signed, to G. R. Potter from J. R. Tanner, Aldeburgh
- Item2 - Autograph letter, signed, to Dr Tanner from G. R. Potter, Norwich
- Item3 - Autograph letter, signed, to G. R. Potter from Z. N. Brooke, Cambridge
- Item4 - Autograph letter, signed, to G. R. Potter from J. R. Tanner, Cambridge
- Item5 - Autograph letter, signed, to Dr Tanner from G. R. Potter, Norwich
- 7 more...