- 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
- File92 - Letters relating to A. Vasilyev
- Item1 - Typewritten letter, signed, to J. R. Tanner from Estonian Legation, London
- Item2 - Typewritten letter, signed, to J. R. Tanner from Estonian Legation, London