- E-bookFranciscan Mariology—Francis, Clare, and BonaventurePeter Damian Fehlner OFM Conv.
- E-bookSystematic MariologyPeter Damian Fehlner OFM Conv.
- E-bookMarian MetaphysicsPeter Damian Fehlner OFM Conv.
- E-bookSt. Maximilian KolbePeter Damian Fehlner OFM Conv.
- E-bookBonaventure, John Duns Scotus, and the Franciscan TraditionPeter Damian Fehlner OFM Conv.
- E-bookTheology of CreationPeter Damian Fehlner OFM Conv.
- E-bookStudies Systematic and CriticalPeter Damian Fehlner OFM Conv.