Alanus, ab Insulis, 1120–1202: De planctu naturae [Latin]
- Manuscripts:
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- MS. Canon. Misc. 110 (Selected pages online) — c. 1400; English, Norwich
- MS. Canon. Misc. 296 — 14th century
- MS. Canon. Misc. 547 — 15th century
- MS. Digby 147 (Selected pages online) — 14th century, end; English
- MS. Douce 147 (Selected pages online) — Composite manuscript
- MS. Hamilton 46 (Digital facsimile online) — Composite manuscript
- Merton College MS. 113 — S. XIV ex. (part 1377); script of English appearance
- St John's College MS 172 — s. xv2/4; England
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.