Findings:
- Liber Usualis
- Liber
- Liber Pontificalis
- Liber Null
- Liber Kaos
- Commentary on Liber Israfel sub Figura LXIV
- Liber Resh vel Helios
- Liber Israfel sub Figura LXIV
- Liber Spectaculorum
- Liber Abaci
- liber arce (user)
- Gloriosus et Liber
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