The Philosophy of Peter Abelard

1997

Pagans and Philosophers

The Problem of Paganism from Augustine to Leibniz

2015

Later Medieval Philosophy (1150-1350)

1987

Early Medieval Philosophy 480-1150

An Introduction

1983

Medieval Philosophy

A Very Short Introduction

2016

Medieval Philosophy

An Historical and Philosophical Introduction

2006

Boethius

2003

Medieval Philosophy

Routledge History of Philosophy Volume 3

1997