Richard, of Thetford, 13th cent.: Ars dilatandi sermones [Latin]
- Manuscripts:
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- MS. Bodl. 631 — 13th century, second half; English
- MS. Bodl. 848 (Selected pages online) — Composite manuscript
- Merton College MS. 249 (Digital facsimile online) — Composite manuscript
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.