15th--16th-century sources

British Isles - sacred music

Eton Choirbook. [EtonC 178] Eton. College Library. MS 178. Also Microfilm.

Spanish secular music

Spanish and Portuguese cathedral manuscripts

Carol manuscripts

Ritson MS. [LonBL 5666] London. British Library, Reference Department. Department of Manuscripts. MS Additional 5666. ALSO Microfilm-2.

Chansonniers

French manuscripts

Lorraine Chansonnier. [ParisBNF 1597] Paris. Bibliothèque Nationale, Département des Manuscrits. Fonds Français. MS 1597. (olim Colbert 1625) ALSO Microfilm.

Neopolitan manuscripts

Bologna. Civico Museo Bibliografico Musicale. MS Q16. (olim 109) [BolC Q16]

Monte Cassino. Biblioteca dell'Abbazia. MS 871. (olim 871N) [MonteA 871]

Presentation manuscripts

Chigi Codex. [VatC 234] Vatican City. Biblioteca Apostolica Vaticana. MS Chigi C VIII 234. ALSO Microfilm.