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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

Resources back online

The Resources page, including dissertation appendices and various handlists is back online

New Facsimile

Anne Boleyn facsimile and introductory study is now available from DIAMM Publications

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: 56,082
  • Manuscript records: 3,945 (131 recently updated)
  • Person records: 3,811
  • Place records: 698
  • Organization records: 692
  • Archive records: 635

Recently Added Sources

B-Bcx MS 27086
choirbook, second half 16th century, c1570s-80s
GCA-Gc s.s.
Partbooks, 18th century
I-Rsc MS G.968
manuscript of polyphony, mid 16th century
PE-Lcm Choirbook 3
manuscript of polyphony, 17th century
E-Tc Ms. 26
manuscript of polyphony, 1591-2

Recently Updated Sources

B-Bcx MS 27511 [Discantus]
partbook, c. 1530-5
F-Pn Cons. Rés. Vma. 851 (Bourdeney Manuscript)
manuscript of polyphony, Late 16th century
B-Bcx MS 27511 [Bassus]
partbook, c. 1530-5
B-Bcx MS 27511 [Altus]
partbook, c. 1530-5
GB-Lbl Harley 3132
fragment, 14th century