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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 Anne Boleyn Music Book

Our latest facsimile publication, but already out of print. Copies are still available from the library of the Royal College of Music though.

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: 60,107 (6 new)
  • Manuscript records: 3,964 (72 recently updated)
  • Person records: 3,829
  • Place records: 705
  • Organization records: 698
  • Archive records: 644

Recently Added Sources

D-Ngm Sp 7418 1–47 Kapsel 516
Playing cards, c. 1540
D-LEu MS 303
music added to text manuscript, 12th century
AUS-CABam MS W01273
early 16th century
D-LEu Inc. Civ. Lips. 260
choirbook fragments from binding, Early 16th century
P-Em MS 11793 (Cancioneiro de Elvas)
manuscript of polyphony, late sixteenth- or early seventeenth-century

Recently Updated Sources

I-Rvat MS Capp. Sist. 14
manuscript of polyphony, 1472-81
I-Rvat MS Capp. Sist. 51
manuscript of polyphony, 1472-91
I-Fn MS Magl. XIX.121
manuscript of polyphony, c. 1510
D-HRD 9820
manuscript of polyphony in score format, c. 1545-50?