Heinrich, von Friemar, senior, approximately 1245–1340: Liber de perfectione spirituali interioris hominis [Latin]
- External links:
- Manuscripts:
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- MS. Hamilton 52 (Digital facsimile online) — 14th century, middle or second half; German
- MS. Laud Misc. 492 (Digital facsimile online) — Composite manuscript
- MS. Lyell 60 (Digital facsimile online) — 15th century, middle; Austrian, probably Melk, Benedictine abbey
The above references reflect only the current coverage of the online catalogue and may not be comprehensive.