- 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
- File51 - Letters from M. Merores
- Item1 - Autograph letter, signed, to 'Dear Sir', from M. Merores, Vienna
- Item2 - Autograph letter, signed, to 'Dear Sir', from M. Merores, Rome
- Item3 - Autograph letter, signed, in German, to 'Mein Herr', from M. Merores, Vienna. Includes translation into English and letter from A. R. Waller concerning the translation