NCF Sexual ethics 2,442
NBP Sacramentology; sacraments 2,413
NBN Ecclesiology 1,194
NCC Social ethics 553
NBE Anthropology 544
NCA Ethics 440
NCD Political ethics 313
NCE Business ethics 239
NCB Personal ethics 152
NBC Doctrine of God 138
NBK Soteriology 135
NCG Environmental ethics; Creation ethics 127
NBF Christology 123
NCH Medical ethics 113
NAA Systematic theology 100
NBG Pneumatology; Holy Spirit 80
NBA Dogmatics 73
NBB Doctrine of Revelation 71
NBM Doctrine of Justification 71
NBD Doctrine of Creation 41
NBQ Eschatology 40
NBJ Mariology 37
NAB Fundamental theology 32
NBH Angelology; demonology 27
NCJ Ethics of science 18
NBL Doctrine of Predestination 7