Advanced Imaging EquipmentThe Eton ChoirbookVolunteers and Community EngagementThe Ferrell-Vogüé Machaut ManuscriptThe Dow PartbooksCaius Choirbook

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

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 Dow Partbooks

Robert Dow’s partbooks, copied in Oxford around 1580, rank among the most beautiful of all Tudor music manuscripts, and are also an important and authoritative source for the works they contain.

Byrd Masses for 3, 4, 5 Voices

Among the most recognisable works in the sacred Tudor repertory, William Byrd's Masses for 3, 4, and 5 voices are presented in this facsimile edition produced from the original printed editions bound in Christ Church Mus 489-493.

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: 56,023 (14 new)
  • Manuscript records: 3,939 (26 recently updated)
  • Person records: 3,803
  • Place records: 693
  • Organization records: 687
  • Archive records: 634

Recently Added Sources

E-Tc Ms. 30
manuscript of polyphony, mid- to late-1570s
E-Tc Ms. 6
manuscript of polyphony, 3rd quarter 16th century - c.1570
E-Tc Ms. 4
manuscript of polyphony, 3rd quarter of 16th century, c.1561
B-LEu s.s. (Leuven chansonnier)
manuscript of polyphony, probably c1470-1475
GB-NWcl T6
fragments from binding, c. 1430-50

Recently Updated Sources

I-LUs MS 184 (Mancini Codex or Lucca Codex)
complete choirbook, Late 14th and Early 15th century
I-PEc MS 3065 (Mancini Codex or Lucca Codex)
fragment, 14th - 15th century
CZ-Ps MS D.G.IV.47 (Strahov Codex)
manuscript of polyphony, 1460-80
I-LUs MS 238 (Lucca Choirbook (or Strohm Codex))
choirbook fragment, Mid-15th century: Ca. 1467-70, with additions until ca. 1500
CZ-HKm MS Hr-7 (II A 7) (Codex Speciálník)
manuscript of polyphony, late15th - early 16th century