This volume comprises Parts XIII XVI of the Speculum Divinorum et Quorundam Naturalium of Henricus Bate and includes "On Thinking and Happiness."

This volume comprises Parts XI XII of the Speculum Divinorum et Quorundam Naturalium of Henricus Bate.

This volume comprises Parts IV V of the Speculum Divinorum et Quorundam Naturalium of Henricus Bate and includes "On the Nature of Matter" and "On the Intellect as Form of Man."