| | Collenberg, Adolf. Frauenberg, Heinrich (II) von. En: Lexicon istoric retic (bio.). Versiun da stampa 2008.
| | Link | | | | Leonhard, Martin. Frauenberg, de. En: Lexicon istoric retic (fam.). Versiun da stampa 2008.
| | Link | | | | Collenberg, Adolf. Frauenberg (chastè, Ruschein). En: Lexicon istoric retic (geo.). Versiun da stampa 2008.
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