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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