- 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
- File3 - Letters from Rafael Altamira
- 2 more...
- Item3 - Autograph letter, signed, to J. R. Tanner from Rafael Altamira, Madrid
- Item4 - Autograph letter, signed, to J. R. Tanner from Rafael Altamira, Madrid
- Item5 - Autograph letter, signed, to J. R. Tanner from Rafael Altamira, Madrid
- Item6 - Autograph letter, signed, in French to J. R. Tanner from Rafael Altamira, Madrid
- Item7 - Autograph letter, signed, to S. C. Roberts from Rafael Altamira, Madrid
- Item8 - Autograph letter, signed, to J. R. Tanner from Rafael Altamira, Madrid
- Item9 - Autograph letter, signed, to C. W. Previté-Orton from Rafael Altamira, Madrid