Konrad, von Soltau, 1350–1407: Lectura super Firmiter credimus [Latin]
- External links:
- Manuscripts:
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- MS. Hamilton 25 (Digital facsimile online) — Composite manuscript
- MS. Hamilton 33 (Digital facsimile online) — Composite manuscript
- MS. Hamilton 36 (Digital facsimile online) — Composite manuscript
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.