- CollectionCamb. Medieval History - Papers relating to the Cambridge Medieval History Series
- SeriesBox 3 - Letters to and from the editors and publishers of Cambridge Medieval History
- Subseries1-11 - Letters to J. R. Tanner from C. W. Previte-Orton
- File5 - Letters to J. R. Tanner from C. W. Previte-Orton
- 12 more...
- Item13 - Autograph letter, signed, from Cambridge
- Item14 - Autograph letter, signed, from Cambridge
- Item15 - Autograph letter, signed, from Cambridge
- Item16 - Autograph letter, signed, from Cambridge
- Item17 - Autograph letter, signed, from Cambridge
- Item18 - Autograph letter, signed, from Cambridge
- Item19 - Autograph letter, signed, from Cambridge
- Item20 - Autograph letter, signed, from Cambridge
- Item21 - Autograph letter, signed, from Cambridge