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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: 63,937
  • Manuscript records: 4,037 (48 recently updated)
  • Person records: 3,926
  • Place records: 718
  • Organization records: 705
  • Archive records: 652

Recently Added Sources

D-DS 23
non-music MS with musical pen trial, post-1475
F-Pan AB XIX 1722
fragment, 15th century
V-CVbav MS S. Maria Maggiore 29
manuscript of polyphony, c. 1577-78
V-CVbav MS Capp. Sist. 149
manuscript of polyphony, c. 1577-78

Recently Updated Sources

GB-Lbl Egerton 2615
chant book with added polyphonic sections, 13th century
GB-Lbl Add. MS 24199
non-music MS with interpolated music, 14th century
F-Pnm Latin 8421
non-music MS with fragments, 14th century
F-Pnm NAF 934
fragments, 14th century
GB-Lbl Harley 978
non-music MS with interpolated music, Late 13th century