- 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
- File2 - Letters to J. R. Tanner from C. W. Previte-Orton
- 17 more...
- Item18 - Autograph letter, signed, from Cambridge
- Item19 - Autograph letter, signed, from Cambridge
- Item20 - Autograph letter, signed, from Cambridge
- Item21 - Autograph letter, signed, from Cambridge
- Item22 - Fragment of autograph letter