Some useful  links...

• Augustinian Historical Institute, Leuven-Heverlee, Belgium
  
• Bibliography Augustine
  
• Bibliography OSA
  
• Faculty of Theology and Religious Studies at the KU Leuven
• Peeters publishers (Leuven)
  
• Augustinian Historical Institute of Villanova University
  
• Augustinian Institute of Villanova University
  
• Instituto patristico augustinianum
  
• Augustinian Historical Institute, Rome