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DIAMM (the Digital Image Archive of Medieval Music) is a leading resource for the study of medieval manuscripts. We present images and metadata for thousands of manuscripts on this website. We also provide a home for scholarly resources and editions, undertake digital restoration of damaged manuscripts and documents, publish high-quality facsimiles, and offer our expertise as consultants.

Latest News

DIAMM Publications

For a limited time, there are copies of ALL DIAMM publications available at a significant discount as they are very slightly damaged (usually just bumped) from our recent warehouse move. These copies are shown on our shop page as ‘seconds’ separately from the main product listing.

The Ferrell-Vogüé Machaut MS

The most hidden of all the Machaut manuscripts is now the most available. Winner of the American Musical Society 2015 Claude V. Palisca Prize for the most outstanding scholarly edition or translation in the field of musicology published in 2014.

Henry VIII Manuscript

Compositions by Henry VIII and others in a manuscript that may reflect the repertory of the Tudor king’s own music-making sessions.

The Eton Choirbook

The Award-winning Full-colour facsimile edition of Eton College Library MS. 178 produced by Diamm Publications, with an extensive illustrated introductory study by Magnus Williamson.

More publications

DIAMM At a glance

  • Images: 65,441 (1,487 new)
  • Manuscript records: 4,056 (80 recently updated)
  • Person records: 3,988
  • Place records: 725
  • Organization records: 706
  • Archive records: 661

Recently Added Sources

PL-WRu MS XV.Q.1066a
fragment, c. 1425--1450
PL-WRu MS IV.Q.223
fragment, c. 1440
PL-GD 2153a
fragment, c. 1420-60

Recently Updated Sources

I-Rc MS 2856 (Casanatense chansonnier)
manuscript of polyphony, c. 1479-81
GB-Lcm MS 1070 (Anne Boleyn Music book)
manuscript of polyphony, 1533-6
D-Usch 237 (d)
partbook, c. 1530-40
GB-Cmc F.4.10 (Peterborough Antiphoner)
Chant manuscript, 14th century
D-Usch 237 (c)
partbook, c. 1530-40