In the Cathedral in Skaholt
The bible [Theology Summa Level 10 Quality 3, and Church Lore Summa Level 3 Quality 3]
Somnium Scipionis by Macrobus [Tractatus, Artes Liberales 8]
Periphysion by John Scottus Eriugena[Theology Summa Level 4 Quality 8]
Cur Deus Homo? by St. Aslem [Theology tractatus, Quality 8]
Scito te Ipsum by Peter Abelard [Philosophy tractatus Quality 8]
The Cathedral has been trying for years to get hold of Philosphi Mundi by William of Conches [Philosophy Summa Level 4 Quality 8] but has not suceeded yet
Also you now know of player covenent here:
https://sites.google.com/site/hboarsmagica/home/covenant/library
with whom you have traded.