ON FIRST PRINCIPLES
- Aina
book- Ilichapishwa
- –
- Lugha
- en
- Leseni
- –
- Anwani ya tovuti
- https://historicalchristian.faith/by_father.php?file=Origen%2520of%2520Alexandria%2FDe%2520Principiis%2FBook%25201.html
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