Origeniana XIII 1st Circular Letter (Fernández, Santiago)

Origeniana XIII 2nd Circular Letter (Fernández, Santiago)

Origeniana XIII 3rd Circular Letter (Fürst, Münster)

Origeniana XIII 4th Circular Letter (Fürst, Münster)

Origeniana XIII 5th Circular Letter (Fürst, Münster)

Origeniana XIII 6th Circular Letter (Fürst, Münster)

Origeniana XIII 7th Circular Letter (Fürst, Münster)

Stylesheet BETL (Peeters Publishers)