1. Systematic theology and theological renewal in the twelfth century (1988)2. Authority and interpretation in scholastic theology (2004) -- 3. Another look at the school of Laon (1986) -- 4. Gilbert, the early Porretans, and Peter Lombard: semantics and theology (1987) -- 5. Early Porretan theology (1989) -- 6. Peter Lombard and Abelard: the "opinio nominalium" and divine transcendence (1992) -- 7. Abelard and theology (2005) --8. "Psalterium scholasticorum": Peter Lombard and the emergence of scholastic Psalms exegesis (1992) -- 9. Peter Lombard as an exegete of St. Paul (1992) -- 10. Peter Lombard and philosophy (2001) -- 11. "Discipline" and "science" in Peter Lombard (2002) -- 12. From the sentence collection to the "Sentence" commentary and the "summa": Parisian scholastic theology, 1130-1215 (1994) --13. The development of Lombardian theology, 1160-1215 (1995) -- 14. Early scholastic angelology (1995) -- 15. Christological nihilianism in the second half of the twelfth century (1996) -- 16. Avicenna's theory of efficient causation and its influence on St. Thomas Aquinas (1975) -- 17. Haskin's "Renaissance" seventy years later: beyond anti-Burckhardtianism (2003) -- 18. Remapping scholasticism (2000)