De ratione computandi (‘Brussels Computus’) [Latin]
- Bibliography:
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- Cummian's Letter De Controversia Paschali and the De ratione computandi, ed. M. Walsh and D. O Croinin (Toronto, 1988)
- Lapidge & Sharpe 324
- Manuscripts:
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- MS. Auct. F. 4. 32 (Digital facsimile online) — Composite manuscript
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.