This volume of the Editio Maior Critica of the works of Gregory of Nyssa, founded by Werner Jaeger, comprises the third and final part of the sermons of this fourth-century Church Father, which deal with a number of religious festivals as well as theological issues. The present work contains the following sermons: De deitate filii et spiritus sancti et in Abraham (ed. E. Rhein), In diem natalem (ed. F. Mann), In sanctam Pentecosten (ed. D. Teske), Adversus eos qui castigationes aegre ferunt (ed. D. Teske), and De iis qui baptismum differunt (ed. H....