John, of Tewkesbury, active 14th century: Quattuor principalia musicae [Latin]
- Manuscripts:
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- MS. Bodl. 515 (Selected pages online) — Composite manuscript
- MS. Digby 90 (Digital facsimile online) — 14th century, third quarter (1351 × 1388); English
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.