Kratzer, Nikolaus, 1487–after 1550: Canones horopteri [Latin]
- Manuscripts:
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- MS. Bodl. 504 (Selected pages online) — 1528 or 1529 (new style); England, London
- MS. Lat. misc. f. 51 — 1537; English, London (?)
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.